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Byte

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rather than the binary definition (2, i.e., 1,073,741,824). Specifically, the United States District Court for the Northern District of California held that "the U.S. Congress has deemed the decimal definition of gigabyte to be the 'preferred' one for the purposes of 'U.S. trade and commerce' The California Legislature has likewise adopted the decimal system for all 'transactions in this state.
2409:    Many have assumed that byte, meaning 8 bits, originated with the IBM System/360, which spread such bytes far and wide in the mid-1960s. The editor is correct in pointing out that the term goes back to the earlier Stretch computer (but incorrect in that Stretch was the first, not the last, of IBM's second-generation transistorized computers to be developed). 2700:     The maximum input-output byte size for serial operation will now be 8 bits, not counting any error detection and correction bits. Thus, the Exchange will operate on an 8-bit byte basis, and any input-output units with less than 8 bits per byte will leave the remaining bits blank. The resultant gaps can be edited out later by programming 2948:, as that was the size of most of our coded data items. Shortly afterward, I went on to other responsibilities that removed me from SAGE. After having spent many years in Asia, I returned to the U.S. and was bemused to find out that the word byte was being used in the new microcomputer technology to refer to the basic addressable memory unit. 2415:. A byte was described as consisting of any number of parallel bits from one to six. Thus a byte was assumed to have a length appropriate for the occasion. Its first use was in the context of the input-output equipment of the 1950s, which handled six bits at a time. The possibility of going to 8-bit bytes was considered in 2641:    With 64-bit words, it would often be necessary to make some compromises, such as leaving 4 bits unused in a word when dealing with 6-bit bytes at the input and output. However, the LINK Computer can be equipped to edit out these gaps and to permit handling of bytes which are split between words. 312:
to facilitate the transmission of written language as well as printing device functions, such as page advance and line feed, and the physical or logical control of data flow over the transmission media. During the early 1960s, while also active in ASCII standardization, IBM simultaneously introduced
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is used here because a given character may be represented in different applications by more than one code, and different codes may use different numbers of bits (i.e., different byte sizes). In input-output transmission the grouping of bits may be completely arbitrary and have no relation to actual
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is used here because a given character may be represented in different applications by more than one code, and different codes may use different numbers of bits (ie, different byte sizes). In input-output transmission the grouping of bits may be completely arbitrary and have no relation to actual
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must hold at least 256 different values, and is represented by at least eight bits (clause 5.2.4.2.1). Various implementations of C and C++ reserve 8, 9, 16, 32, or 36 bits for the storage of a byte. In addition, the C and C++ standards require that there are no gaps between two bytes. This means
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Lawsuits arising from alleged consumer confusion over the binary and decimal definitions of multiples of the byte have generally ended in favor of the manufacturers, with courts holding that the legal definition of gigabyte or GB is 1 GB = 1,000,000,000 (10) bytes (the decimal definition),
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codified this common meaning. Many types of applications use information representable in eight or fewer bits and processor designers commonly optimize for this usage. The popularity of major commercial computing architectures has aided in the ubiquitous acceptance of the 8-bit byte. Modern
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used 8-bit characters, although not ASCII directly. Thus Buchholz's "byte" caught on everywhere. I myself did not like the name for many reasons. The design had 8 bits moving around in parallel. But then came a new IBM part, with 9 bits for self-checking, both inside the CPU and in the
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work, or to handle bytes of only one bit for logical analysis, or to offset the bytes by any number of bits. All this can be done by pulling the appropriate shift diagonals. An analogous matrix arrangement is used to change from serial to parallel operation at the output of the adder.
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While the difference between the decimal and binary interpretations is relatively small for the kilobyte (about 2% smaller than the kibibyte), the systems deviate increasingly as units grow larger (the relative deviation grows by 2.4% for each three orders of magnitude). For example, a
2087:, starting at the right. The 0-diagonal is pulsed first, sending out the six bits 0 to 5, of which the Adder accepts only the first four (0-3). Bits 4 and 5 are ignored. Next, the 4 diagonal is pulsed. This sends out bits 4 to 9, of which the last two are again ignored, and so on. 2811:, the man who DID coin the term "byte" for an 8-bit grouping). It seemed reasonable to make a universal 8-bit character set, handling up to 256. In those days my mantra was "powers of 2 are magic". And so the group I headed developed and justified such a proposal . 2807:    So some folks started thinking about 7-bit characters, but this was ridiculous. With IBM's STRETCH computer as background, handling 64-character words divisible into groups of 8 (I designed the character set for it, under the guidance of Dr. 436:
was used to denote eight bits as well at least in Western Europe; however, this usage is no longer common. The exact origin of the term is unclear, but it can be found in British, Dutch, and German sources of the 1960s and 1970s, and throughout the documentation of
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refers to the number of words transmitted to or from an input-output unit in response to a single input-output instruction. Block size is a structural property of an input-output unit; it may have been fixed by the design or left to be varied by the program.
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addressed such multiple usages and definitions by adopting the IUPAC's proposed prefixes (kibi, mebi, gibi, etc.) to unambiguously denote powers of 1024. Thus one kibibyte (1 KiB) is 1024  bytes = 1024 bytes, one mebibyte (1 MiB) is 1024  bytes =
2843:    It is justified by new communications methods that can carry 16, 32, 64, and even 128 bits in parallel. But some foolish people now refer to a "16-bit byte" because of this parallel transfer, which is visible in the 152:
of 12, 18, 24, 30, 36, 48, or 60 bits, corresponding to 2, 3, 4, 5, 6, 8, or 10 six-bit bytes, and persisted, in legacy systems, into the twenty-first century. In this era, bit groupings in the instruction stream were often referred to as
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on six different levels. Thus, if a 1 comes out of position 9, it appears in all six cores underneath. Pulsing any diagonal line will send the six bits stored along that line to the Adder. The Adder may accept all or only some of the
2404:    Not being a regular reader of your magazine, I heard about the question in the November 1976 issue regarding the origin of the term "byte" from a colleague who knew that I had perpetrated this piece of jargon 377:
has come to mean a sequence of precisely eight binary digits...When we speak of bytes in connection with MIX we shall confine ourselves to the former sense of the word, harking back to the days when bytes were not yet standardized."
997:(symbol kB) is defined to equal 1,000 bytes—is recommended by the International Electrotechnical Commission (IEC). The IEC standard defines eight such multiples, up to 1 yottabyte (YB), equal to 1000 bytes. The additional prefixes 2483:
took over many of the Stretch concepts, including the basic byte and word sizes, which are powers of 2. For economy, however, the byte size was fixed at the 8 bit maximum, and addressing at the bit level was replaced by byte
325:(BCDIC) representations used in earlier card punches. The prominence of the System/360 led to the ubiquitous adoption of the eight-bit storage size, while in detail the EBCDIC and ASCII encoding schemes are different. 308:, which replaced the incompatible teleprinter codes in use by different branches of the U.S. government and universities during the 1960s. ASCII included the distinction of upper- and lowercase alphabets and a set of 2815:
That was a little too much progress when presented to the standards group that was to formalize ASCII, so they stopped short for the moment with a 7-bit set, or else an 8-bit set with the upper half left for future
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as an "addressable unit of data storage large enough to hold any member of the basic character set of the execution environment" (clause 3.6 of the C standard). The C standard requires that the integral data type
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explicitly defines a sequence of eight bits, eliminating the potential ambiguity of the term "byte".. The symbol for octet, 'o', also conveniently eliminates the ambiguity in the symbol 'B' between byte and
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without having to split a byte between one word and the next. If longer bytes were needed, 60 bits would, of course, no longer be ideal. With present applications, 1, 4, and 6 bits are the really important
2944:    We coined the word byte to refer to a logical set of bits less than a full word size. At that time, it was not defined specifically as x bits but typically referred to as a set of 1356:. Western Digital settled the challenge and added explicit disclaimers to products that the usable capacity may differ from the advertised capacity. Seagate was sued on similar grounds and also settled. 1131:
standard. Only the first three multiples (up to GB) are mentioned by the JEDEC standard, which makes no mention of TB and larger. While confusing and incorrect, the customary convention is used by the
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Matsuoka, Satoshi; Sato, Hitoshi; Tatebe, Osamu; Koibuchi, Michihiro; Fujiwara, Ikki; Suzuki, Shuji; Kakuta, Masanori; Ishida, Takashi; Akiyama, Yutaka; Suzumura, Toyotaro; Ueno, Koji (2014-09-15).
3982: 3092: 478:, creating a conflict with the IEC specification. However, little danger of confusion exists, because the bel is a rarely used unit. It is used primarily in its decadic fraction, the 3424: 1080:
in which 1 kibibyte (KiB) is equal to 1,024 (i.e., 2) bytes is defined by international standard IEC 80000-13 and is supported by national and international standards bodies (
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Brown, Richard J. C. (27 April 2022). "Reply to "Facing a shortage of the Latin letters for the prospective new SI symbols: alternative proposal for the new SI prefixes"".
2782:, and saw all the confusion caused by the 64-character limitation. Especially when we started to think about word processing, which would require both upper and lower case. 1290:
of the two definitions: most notably, floppy disks advertised as "1.44 MB" have an actual capacity of 1,440 KiB, the equivalent of 1.47 MB or 1.41 MiB.
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Video is encoded at a bitrate of 27.8 Mbit/s, with a runtime of 1,403 min (84,180 seconds) resulting in an approximate size of 0.2925 TB (0.2661 TiB).
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Various computer vendors have coined terms for data of various sizes, sometimes with different sizes for the same term even within a single vendor. These terms include
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capacity, the customary convention was used by macOS and iOS through Mac OS X 10.6 Snow Leopard and iOS 10, after which they switched to units based on powers of 10.
3912:(IEC) approved as an IEC International Standard names and symbols for prefixes for binary multiples for use in the fields of data processing and data transmission." 2488:    Are there any other terms coined especially for the computer field which have found their way into general dictionaries of English language? 981:, ...) and their corresponding symbols (Ki, Mi, Gi, ...) or they might use the prefixes K, M, and G, creating ambiguity when the prefixes M or G are used. 232:
computer, which had addressing to the bit and variable field length (VFL) instructions with a byte size encoded in the instruction. It is a deliberate respelling of
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In data transmission systems, the byte is used as a contiguous sequence of bits in a serial data stream, representing the smallest distinguished unit of data. For
4020: 4249: 300:. These representations included alphanumeric characters and special graphical symbols. These sets were expanded in 1963 to seven bits of coding, called the 148:
was an often-used implementation in early encoding systems, and computers using six-bit and nine-bit bytes were common in the 1960s. These systems often had
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Amendment 2 to IEC International Standard IEC 60027-2: Letter symbols to be used in electrical technology – Part 2: Telecommunications and electronics.
2411:    The first reference found in the files was contained in an internal memo written in June 1956 during the early days of developing 2062:     Most important, from the point of view of editing, will be the ability to handle any characters or digits, from 1 to 6 bits long. 2506: 4084: 2400:
We received the following from W Buchholz, one of the individuals who was working on IBM's Project Stretch in the mid 1950s. His letter tells the story.
3986: 3826: 301: 3049:, was byte oriented. I don't recall for sure, but I'm reasonably certain the description of that computer included the word "byte," and we used it. ] 2240:    A string that consists of a number of bits, treated as a unit, and usually representing a character or a part of a character. 1294: 198: 1860:
denotes a group of bits used to encode a character, or the number of bits transmitted in parallel to and from input-output units. A term other than
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denotes a group of bits used to encode a character, or the number of bits transmitted in parallel to and from input-output units. A term other than
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measurements, while a unit for one-tenth of a byte, the decibyte, and other fractions, are only used in derived units, such as transmission rates.
4182: 2634:     60 is a multiple of 1, 2, 3, 4, 5, and 6. Hence bytes of length from 1 to 6 bits can be packed efficiently into a 60-bit 3879: 2293: 3326: 3223: 758: 3895: 2975: 318: 3627: 4107: 583: 3084: 1264:
floppy format (holding 368,640 bytes) being advertised as "360 KB", following the 1,024-byte convention. It was not universal, however. The
1006: 2407:. I searched my files and could not locate a birth certificate. But I am sure that "byte" is coming of age in 1977 with its 21st birthday. 4472: 2269: 4219: 4128: 2454:, edited by W Buchholz, McGraw-Hill Book Company (1962). The rationale for coining the term was explained there on page 40 as follows: 1100:
were given in a consultation paper of the International Committee for Weights and Measures' Consultative Committee for Units (CCU) as
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100 distinct values. On a binary computer a byte must therefore be composed of six bits". He notes that "Since 1975 or so, the word
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for binary multiples arose as a convenience, because 1,024 is approximately 1,000. This definition was popular in early decades of
969:, ...) and their corresponding symbols (k, M, G, ...). Systems based on powers of 2, however, might use binary prefixes ( 1092:). The IEC standard defines eight such multiples, up to 1 yobibyte (YiB), equal to 1024 bytes. The natural binary counterparts to 5108: 4742: 4328: 4297: 3926: 305: 4150: 3860: 3770: 3573: 3391: 2486:    Since then the term byte has generally meant 8 bits, and it has thus passed into the general vocabulary. 759: 4732: 4727: 4382: 4042: 3002: 4349: 3180: 3592: 3950: 3738: 3514: 2323: 1831: 1352:
Earlier lawsuits had ended in settlement with no court ruling on the question, such as a lawsuit against drive manufacturer
4715: 4616: 3903: 3250: 2942:; a bit represented a binary notational position in a word. Operations typically operated on all the bits in the full word. 2324:"The TCP/IP Guide - Binary Information and Representation: Bits, Bytes, Nibbles, Octets and Characters - Byte versus Octet" 1297:'s (IUPAC) Interdivisional Committee on Nomenclature and Symbols attempted to resolve this ambiguity by proposing a set of 3712: 3668: 3231: 2723: 2900: 2682: 2616: 2044: 1424: 1282:
held 109,375 bytes unformatted, and was advertised as "110 Kbyte", using the 1000 convention. Likewise, the 8-inch
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Percentage difference between decimal and binary interpretations of the unit prefixes grows with increasing storage size
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RX01 floppy (1975) held 256,256 bytes formatted, and was advertised as "256k". Some devices were advertised using a
4016: 144:-dependent and no definitive standards existed that mandated the size. Sizes from 1 to 48 bits have been used. The 4241: 4866: 4465: 3484: 2542: 1665:
The term syllable was used for bytes containing instructions or constituents of instructions, not for data bytes.
349: 1848:    Terms used here to describe the structure imposed by the machine design, in addition to 1332:
The IEC adopted the IUPAC proposal and published the standard in January 1999. The IEC prefixes are part of the
4983: 4788: 4720: 4682: 3157: 2875: 2434: 1819: 1796: 1574: 1445: 45: 2828:. I exposed this 9-bit byte to the press in 1973. But long before that, when I headed software operations for 2755: 2561:]: In a report Werner Buchholz lists the advantages of a 64-bit word length for Stretch. It also supports 2514: 5164: 4423: 3224:
https://web.archive.org/web/20090818042050/http://www.iec.ch/online_news/etech/arch_2003/etech_0503/focus.htm
1283: 934: 4414: 3975: 4883: 4813: 4661: 4536: 4076: 2635: 2220:    NB. Defines a byte as a group of typically 9 bits; 8 data bits plus 1 parity bit. 2065: 1690:
supporting this dates from 1956-06-11. Buchholz stated that the transition to 8-bit bytes was conceived in
1647: 569: 322: 149: 2122: 5138: 4773: 4050: 4043:"Defendant Western Digital Corporation's Brief in Support of Plaintiff's Motion for Preliminary Approval" 2923: 1560: 1391: 400:
pairs in a byte, such as the decimal-add-adjust (DAA) instruction. A four-bit quantity is often called a
258: 3833: 2971: 5169: 4761: 4458: 4186: 3065:, and the AN/FSQ-31 picked it up from STRETCH, but Werner is very definitely the author of that word. ] 2381: 1593: 1466: 917: 522: 3876: 1238:
making a definition of memory units based on powers of 2 most practical. The use of the metric prefix
5189: 5071: 5023: 4935: 4913: 4908: 4836: 4702: 4656: 3319: 3269:"Extreme Big Data (EBD): Next Generation Big Data Infrastructure Technologies Towards Yottabyte/Year" 2570:    NB. This timeline erroneously specifies the birth date of the term "byte" as 1938: 1601: 1596:
a full transmission unit usually additionally includes a start bit, 1 or 2 stop bits, and possibly a
518: 514: 2967: 5184: 5174: 4945: 4609: 2244:    1 The number of bits in a byte is fixed for a given data processing system. 2216:
Byte = zusammengehörige Folge von i.a. neun Bits; davon sind acht Datenbits, das neunte ein Prüfbit
2118: 1885:
consists of the number of data bits transmitted in parallel from or to memory in one memory cycle.
1537: 133:. Those bits in an octet are usually counted with numbering from 0 to 7 or 7 to 0 depending on the 17: 4105: 1600:, and thus its size may vary from seven to twelve bits for five to eight bits of actual data. For 947:. Nomenclature for these systems has led to confusion. Systems based on powers of 10 use standard 497:
is defined as the symbol for octet in IEC 80000-13 and is commonly used in languages such as
5098: 5013: 4272:"I could imagine a machine with 9-bit bytes. But surely not 16-bit bytes or 32-bit bytes, right?" 2510: 2265: 4841: 4697: 4651: 2919: 2786:
Add 26 lower case letters to 47 existing, and one got 73 -- 9 more than 6 bits could represent.
2425:    The first published reference to the term occurred in 1959 in a paper ' 1301:
for the powers of 1024, including kibi (kilobinary), mebi (megabinary), and gibi (gigabinary).
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architectures typically use 32- or 64-bit words, built of four or eight bytes, respectively.
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values 0 through 255 for one byte, as 2 to the power of 8 is 256. The international standard
106: 94: 31: 3320:"List of Resolutions for the 27th meeting of the General Conference on Weights and Measures" 4633: 4531: 4481: 4124: 2751: 1991: 1933: 1913: 1523: 1336:. The IEC further specified that the kilobyte should only be used to refer to 1,000 bytes. 1136: 1020:, internal bus, hard drive and flash media transfer speeds, and for the capacities of most 550: 546: 542: 538: 534: 530: 526: 487: 422: 281: 155: 86: 4271: 3690: 3268: 8: 5194: 5159: 5103: 5081: 5008: 4861: 4853: 4602: 3802: 2715: 1637: 1586: 3608: 2793:, the very first computer I know of with an 8-bit byte) that would extend the number of 5179: 5086: 5066: 5018: 4993: 4778: 4747: 4445: 3856:
IUCr 1995 Report - IUPAC Interdivisional Committee on Nomenclature and Symbols (IDCNS)
3553: 3383: 2945: 2871: 2430: 2201: 2157:. Prentice Hall Series in Computer Engineering (1 ed.). Englewood Cliffs, NJ, US: 2064:    Figure 2 shows the Shift Matrix to be used to convert a 60-bit 1975: 1957: 1792: 1605: 1265: 1247: 1243: 297: 250: 4324: 4303: 4209: 3922: 341: 4973: 4903: 4878: 4692: 4687: 4505: 4160: 3857: 3774: 3570: 3557: 3387: 3375: 3367: 3351: 3290: 3220:    |*| About bits and bytes: prefixes for binary multiples - IEC 3164: 3153: 3124: 2833: 2565:'s requirement for 8-bit bytes. Werner's term "Byte" first popularized in this memo. 2231:
ISO/IEC 2382-1: 1993, Information technology - Vocabulary - Part 1: Fundamental terms
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is defined as eight bits. It is a signed data type, holding values from −128 to 127.
1379: 1235: 1132: 557: 502: 494: 417: 333: 309: 253:, is on record by Louis G. Dooley, who claimed he coined the term while working with 203: 171: 141: 130: 118: 70: 4054: 2996: 1961: 5118: 5003: 4801: 3545: 3359: 3280: 3191: 2927: 1981: 1947: 1738: 1494: 1037: 1017: 266: 122: 114: 3589: 1111:
An alternative system of nomenclature for the same units (referred to here as the
505:, and is also combined with metric prefixes for multiples, for example ko and Mo. 344:. This large investment promised to reduce transmission costs for eight-bit data. 5123: 4988: 4940: 4873: 4111: 3954: 3947: 3883: 3864: 3832:. Maynard, Massachusetts: Digital Equipment Corporation. May 1975. Archived from 3615: 3596: 3577: 3506: 3428: 3254: 3235: 3058: 3024: 2879: 2808: 2659: 2593: 2538: 2438: 2377: 2021: 1811: 1800: 1708: 1679: 1353: 1298: 1013: 498: 483: 470: 273:
actually used the term, but the author recalled vaguely that it was derived from
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for bit groups smaller than a computer's word size, and in particular groups of
5076: 4898: 4888: 4796: 3716: 3664: 3549: 3363: 3228: 3149: 3036: 3017: 2820: 2719: 2182:    NB. Example of the usage of a code for "4-bit bytes". 1994: 1622: 1261: 985:
power-of-10-based terabyte is about 9% smaller than power-of-2-based tebibyte.
385: 254: 126: 2910: 193:
The unit symbol for the byte was designated as the upper-case letter B by the
5153: 4998: 3431:"Note: 1 megabyte (MB) = 1 million bytes; 1 gigabyte (GB) = 1 billion bytes." 3371: 3294: 2530: 2385: 2158: 2084: 2077: 1899: 1891: 1507: 1021: 926: 743: 614: 369:
amount of information ... capable of holding at least 64 distinct values ...
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Rao, Thammavaram R. N.; Fujiwara, Eiji (1989). McCluskey, Edward J. (ed.).
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had the ability to operate on arbitrary bytes no larger than the word size.
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size, and in marketing and billing by telecommunication companies, such as
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The actual number of bits in a particular implementation is documented as
5133: 5128: 4978: 4925: 4752: 3639: 3062: 3052: 2934:. In that era, computer memory structure was already defined in terms of 2855:
But you will notice that I am still correct. Powers of 2 are still magic!
2790: 2678: 2612: 2546: 2534: 2412: 2040: 1904: 1896: 1881: 1461: 1403: 1279: 1152: 1077: 944: 930: 409: 3285: 2926:(the North American Air Defense System), which was jointly developed by 2918:    The word byte was coined around 1956 to 1957 at 2832:
in France in 1965-66, I insisted that 'byte' be deprecated in favor of "
2141:    NB. Discusses 12-bit, 24-bit and 48-bit bytes. 421:
unambiguously specifies a size of eight bits. It is used extensively in
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in the 1970s popularized this storage size. Microprocessors such as the
93:. Historically, the byte was the number of bits used to encode a single 5038: 5033: 4950: 4918: 4823: 4766: 4450: 3640:"Determining Actual Disk Size: Why 1.44 MB Should Be 1.40 MB" 3571:
Kilobyte – Definition and More from the Free Merriam-Webster Dictionary
2825: 2794: 2550: 2480: 1716: 1597: 1551: 1061: 1025: 393: 389: 337: 314: 3875:"Binary Prefix" University of Auckland Department of Computer Science 3476: 3029:    You mentioned that the term "byte" is used in 2083:    Assume that it is desired to operate on 4 bit 5113: 5091: 5048: 5043: 4710: 4666: 4625: 3042: 2829: 2246:    2 The number of bits in a byte is usually 8. 1986: 1886: 1527: 1140: 1057: 948: 454: 382: 289: 274: 177:
of eight bits, as documented in ISO/IEC 2382-1:1993, is a convenient
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United States District Court for the Northern District of California
3352:"How many yottabytes in a quettabyte? Extreme numbers get new names" 2447:, June 1959, page 121. The notions of that paper were elaborated in 1936:(1959), "A proposal for a generalized card code of 256 characters", 5028: 4583: 4578: 4573: 4214: 4155: 3877:
https://wiki.cs.auckland.ac.nz/stageonewiki/index.php/Binary_prefix
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This article is about the unit of information. For other uses, see
2089:    It is just as easy to use all six bits in 1889:
is thus defined as a structural property of the memory. (The term
4557: 4552: 3599:. Dictionary.reference.com (1995-09-29). Retrieved on 2011-01-07. 3187: 3146:
British Commercial Computer Digest: Pergamon Computer Data Series
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The Art of Computer Programming: Volume 1: Fundamental Algorithms
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You can notice that my preference then is now the preferred term.
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Prefixes for Binary and Decimal Multiples: Binary versus decimal
2176: 1827: 4521: 4500: 4125:"Kilobytes Megabytes Gigabytes Terabytes (Stanford University)" 3030: 3020:
on the history of programming languages included this exchange:
2968:"Erklärung des Wortes "Byte" im Rahmen der Lehre binärer Codes" 2848: 1977:
Internet Protocol DARPA INTERNET PROGRAM PROTOCOL SPECIFICATION
1694:, but the earliest document found using this notion dates from 1627: 1053: 1049: 401: 285: 270: 2356:
byte, octet, 8-bit byte: A string that consists of eight bits.
1108:(Qi, 1024), but have not yet been adopted by the IEC and ISO. 4594: 3412:
1977 Disk/Trend Report Rigid Disk Drives, published June 1977
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of text in a computer and for this reason it is the smallest
3580:. Merriam-webster.com (2010-08-13). Retrieved on 2011-01-07. 3016:    A question-and-answer session at an 2905: 2789:    I even made a proposal (in view of 2466: 1869: 1617: 1570: 1089: 1081: 397: 234: 4375:"Avatar - The Last Airbender: The Complete Series Blu-ray" 3266: 109:. To disambiguate arbitrarily sized bytes from the common 4641: 4495: 4242:"The Zettabyte Era Officially Begins (How Much is That?)" 3257:— The NIST Reference on Constants, Units, and Uncertainty 2939: 2931: 2870: 2804:
Some folks took it seriously. I thought of it as a spoof.
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Many sources erroneously indicate a birthday of the term
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as a signed data type, holding values from 0 to 255, and
1482: 1221: 1045: 1033: 396:, could also perform a small number of operations on the 90: 51: 4325:"C++ FAQ: the rules about bytes, chars, and characters" 4104:
Allison Dexter, "How Many Words are in Harry Potter?",
2072:, or 'bytes' as we have called them, to be sent to the 1440: 3609:
Definition of kilobyte from Oxford Dictionaries Online
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set. I'm not sure, but maybe this should be called a "
1822:/ The Maple Press Company, York, PA., pp. 39–40, 1604:
the error checking usually uses bytes at the end of a
3123:(3rd ed.). Boston: Addison-Wesley. p. 125. 2507:"Timeline of the IBM Stretch/Harvest era (1956-1961)" 1505:
global yearly Internet traffic in 2016 (known as the
993:
Definition of prefixes using powers of 10—in which 1
4446:
https://web.stanford.edu/class/cs101/bits-bytes.html
2576:, while Buchholz actually used the term as early as 1895:
was coined for this purpose by the designers of the
1127:(GB) is equal to 1024 bytes is mentioned by a 1990s 228:
in June 1956, during the early design phase for the
3590:
Kilobyte – Definition of Kilobyte at Dictionary.com
3069:    That's right. Thank you. ] 2989: 2882:(June 1959). "Processing Data in Bits and Pieces". 1320:
suggested calling the kibibyte a "large kilobyte" (
1056:. It is also consistent with the other uses of the 288:codes for printable graphic patterns common in the 4175: 3858:http://ww1.iucr.org/iucr-top/cexec/rep95/idcns.htm 3796:"Shugart Associates SA 400 minifloppy™ Disk Drive" 2654: 2652: 2223: 513:Several terms redirect here. For other uses, see 302:American Standard Code for Information Interchange 4034: 4010: 4008: 4006: 2016: 2014: 1295:International Union of Pure and Applied Chemistry 199:Institute of Electrical and Electronics Engineers 5151: 3827:"RXS/RX11 floppy disk system maintenance manual" 2892: 2501: 2499: 2372: 2370: 2368: 2366: 2364: 1873:, but respelled to avoid accidental mutation to 1682:claimed that the term would have been coined in 474:, a unit of logarithmic power ratio named after 408:, which is conveniently represented by a single 265:in 1956 or 1957, which was jointly developed by 257:and Dick Beeler on an air defense system called 4422:. PDP-10 System Reference Manual. Vol. 1. 4210:"Internet Could Max Out in 2 Years, Study Says" 2649: 2586: 1787: 1785: 1783: 4003: 3948:https://physics.nist.gov/cuu/Units/binary.html 3896:National Institute of Standards and Technology 2198:Introduction to digital information processing 2011: 1327: 988: 319:Extended Binary Coded Decimal Interchange Code 269:, MIT, and IBM. Later on, Schwartz's language 4610: 4466: 3213: 3211: 3137: 3061:coined the word as part of the definition of 3057:    May I speak to that? 2746: 2744: 2742: 2740: 2496: 2471:but respelled to avoid accidental mutation to 2361: 2346: 2344: 1071: 929:based on the byte. Some systems are based on 577: 449:The unit symbol for the byte is specified in 365:computer to denote a unit which "contains an 4367: 3229:https://www.iec.ch/prefixes-binary-multiples 3173: 2451:Planning a Computer System (Project Stretch) 2194:Einführung in die digitale Datenverarbeitung 2121:(CDC). 1966-10-11 . 60021300. Archived from 2102: 1816:Planning a Computer System - Project Stretch 1780: 1470:animated television series, all 61 episodes 1007:International Bureau of Weights and Measures 4444:Ashley Taylor. "Bits and Bytes." Stanford. 4416:Programming with the PDP-10 Instruction Set 4263: 4077:"Seagate pays out over gigabyte definition" 3447:"How iOS and macOS report storage capacity" 2961: 2959: 2864: 2555:    1956 July [ 2150: 1737:Through the 1970s there were machines with 1382:variable indicating true (1) or false (0). 1339: 937:(SI), which defines for example the prefix 280:Early computers used a variety of four-bit 140:The size of the byte has historically been 27:Unit of digital information, usually 8 bits 4617: 4603: 4473: 4459: 4289: 4151:"Hitachi Introduces 1-Terabyte Hard Drive" 4142: 4047:Orin Safier v. Western Digital Corporation 3208: 3111: 3109: 2737: 2419:and incorporated in the design of Stretch 2341: 1012:This definition is most commonly used for 584: 570: 4316: 3910:International Electrotechnical Commission 3618:. Askoxford.com. Retrieved on 2011-01-07. 3284: 3041:    As I recall, the 2185: 2154:Error-Control Coding for Computer Systems 1985: 1951: 1926: 943:as 1000 (10); other systems are based on 195:International Electrotechnical Commission 4480: 4426:(DEC). August 1969. pp. 2-15–2-17. 4148: 3915: 3441: 3439: 3437: 3273:Supercomputing Frontiers and Innovations 3143: 3045:, a totally different computer than the 2956: 2885:IRE Transactions on Electronic Computers 2658: 2592: 2444:IRE Transactions on Electronic Computers 2376: 2321: 2254: 2020: 1456:the largest consumer hard drive in 2007 1225: 592: 215: 4149:Perenson, Melissa J. (4 January 2007). 4068: 4017:"Western Digital Settles Capacity Suit" 3773:. Swtpc.com. 2013-08-14. Archived from 3106: 3077: 2714: 2288: 2286: 2144: 2111:3600 Computer System - Reference Manual 2068:, coming from Memory in parallel, into 1557:every bit in memory is part of a byte. 1202:. There are also informal terms. e.g., 306:Federal Information Processing Standard 14: 5152: 4040: 3350:Gibney, Elizabeth (18 November 2022). 3349: 2898: 2292: 2137:Byte - A partition of a computer word. 2076:serially. The 60 bits are dumped into 1973: 1728:There was more than one BCD code page. 1222:History of the conflicting definitions 925:More than one system exists to define 508: 4598: 4454: 4295: 4222:from the original on 26 November 2007 4207: 4074: 3946:NIST "Prefixes for binary multiples" 3535: 3487:from the original on 18 November 2021 3434: 3181:"Philips Data Systems' product range" 3115: 2750: 2529:    1956 Summer: 2315: 2191: 1932: 1867:characters. (The term is coined from 1359: 89:that most commonly consists of eight 4014: 3671:from the original on 26 October 2016 3632: 3517:from the original on 3 December 2021 3394:from the original on 16 January 2023 3241: 2578: 2464:characters. (The term is coined from 2420: 2322:Kozierok, Charles M. (2005-09-20) . 2283: 1695: 1687: 4342: 3538:Accreditation and Quality Assurance 3067:    [ Schwartz: 2965: 2708: 1744: 1425:Harry Potter and the Goblet of Fire 1234:Contemporary computer memory has a 1123:(MB) is equal to 1024 bytes and 1 468:(ISQ), B is also the symbol of the 24: 4400: 3976:"Order Granting Motion to Dismiss" 3751:from the original on 10 April 2017 2938:. A word consisted of x number of 2899:Dooley, Louis G. (February 1995). 2448: 2427:Processing Data in Bits and Pieces 2262:"Internet History of 1960s # 1964" 1691: 1683: 1334:International System of Quantities 1169: 1139:capacity, such as main memory and 466:International System of Quantities 201:(IEEE). Internationally, the unit 25: 5206: 4322: 4269: 4208:Gross, Grant (24 November 2007). 4183:"What does a petabyte look like?" 3642:. Microsoft Support. 2003-05-06. 3457:from the original on 9 April 2020 3033:. Where did the term come from? ] 2756:"Why is a byte 8 bits? Or is it?" 2382:"The Word "Byte" Comes of Age..." 1040:that use this definition include 3906:from the original on 2007-08-08. 3715:. Orange Romania. Archived from 3227:    |*| v1: 3222:    |*| v0: 2426: 2352:ISO 2382-4, Organization of data 1119:(KB) is equal to 1,024 bytes, 1 392:, the direct predecessor of the 321:(EBCDIC), an expansion of their 238:to avoid accidental mutation to 4433:from the original on 2017-04-05 4356:from the original on 2018-08-09 4331:from the original on 2019-03-21 4278:from the original on 2019-03-21 4252:from the original on 2021-08-02 4234: 4201: 4131:from the original on 2020-11-08 4117: 4098: 4087:from the original on 2014-09-03 4041:Baskin, Scott D. (2006-02-01). 4023:from the original on 2009-09-07 3992:from the original on 2021-10-07 3959: 3940: 3929:from the original on 2011-06-06 3900:"Prefixes for binary multiples" 3888: 3869: 3850: 3819: 3788: 3763: 3731: 3705: 3683: 3657: 3646:from the original on 2014-02-09 3621: 3602: 3583: 3564: 3529: 3499: 3469: 3415: 3406: 3343: 3332:from the original on 2022-11-18 3312: 3301:from the original on 2022-03-13 3260: 3095:from the original on 2020-07-03 3005:from the original on 2017-04-10 2998:Origin of the term "byte", 1956 2978:from the original on 2021-06-10 2966:Ram, Stefan (17 January 2003). 2909:. Ocala, FL, US. Archived from 2876:Brooks, Jr., Frederick Phillips 2798: 2726:from the original on 2017-04-03 2671:Memory Word Length and Indexing 2572: 2416: 2330:from the original on 2017-04-03 2304:from the original on 2017-04-03 2272:from the original on 2022-06-24 1805:"Chapter 4: Natural Data Units" 1797:Brooks, Jr., Frederick Phillips 1753: 1731: 1722: 1701: 1668: 1573:programming languages, such as 1443:-quality uncompressed audio of 461:as the upper-case character B. 350:The Art of Computer Programming 129:) refer to an 8-bit byte as an 117:protocol documents such as the 4624: 2970:(in German). Berlin, Germany: 2242:    NOTES: 2117:. K. St. Paul, Minnesota, US: 1967: 1820:McGraw-Hill Book Company, Inc. 1659: 1517: 1446:The Lamb Lies Down on Broadway 444: 284:(BCD) representations and the 61:digital information, data size 13: 1: 4683:Arbitrary-precision or bignum 4424:Digital Equipment Corporation 3248:Prefixes for Binary Multiples 3085:"List of EBCDIC codes by IBM" 2238:    byte: 1974:Postel, J. (September 1981). 1773: 1581:as an unsigned type, and the 1544:programming languages define 1005:for 1000 were adopted by the 935:International System of Units 3190:. April 1971. Archived from 2819:    The 2549:team. Lloyd Hunter provides 2043:Memo No. 39G. Archived from 1648:Word (computer architecture) 1435:about half an hour of video 323:six-bit binary-coded decimal 7: 4352:. Northwestern University. 4075:Judge, Peter (2007-10-26). 4051:Western Digital Corporation 2681:Memo No. 45. Archived from 2664:"2. Input-Output Byte Size" 2615:Memo No. 40. Archived from 2513:. June 1956. Archived from 2298:"Metric-Interchange-Format" 2200:] (in German). Munich: 1763:as implemented in the file 1707:Some later machines, e.g., 1611: 1328:Modern standard definitions 1076:A system of units based on 989:Units based on powers of 10 918:Orders of magnitude of data 493:The lowercase letter o for 353:(first published in 1968), 340:. These used the eight-bit 87:unit of digital information 10: 5211: 4489:Platform-independent units 4299:Integer Types in C and C++ 3550:10.1007/s00769-022-01499-7 3364:10.1038/d41586-022-03747-9 3051:    [ 3035:    [ 3023:    [ 2760:Computer History Vignettes 2545:and Jim Pomerene join the 1879:    A 1594:asynchronous communication 1467:Avatar: The Last Airbender 1072:Units based on powers of 2 555: 523:Yottabyte (disambiguation) 512: 29: 5057: 5024:Strongly typed identifier 4966: 4852: 4822: 4787: 4675: 4632: 4566: 4545: 4514: 4488: 4350:"External Interfaces/API" 4015:Mook, Nate (2006-06-28). 3218:    [ 2192:Tafel, Hans Jörg (1971). 1939:Communications of the ACM 1602:synchronous communication 1489: 1452: 1431: 1418: 1398: 1386: 1374: 1369: 1246:, with products like the 916: 907: 904: 896: 893: 885: 871: 857: 843: 757: 752: 749: 742: 613: 610: 603: 565: 519:Gigabyte (disambiguation) 515:Megabyte (disambiguation) 459:Metric Interchange Format 65: 57: 44: 39: 4515:Platform-dependent units 3713:"Internet Mobile Access" 3691:"Data Measurement Scale" 3507:"ConsistentUnitPrefixes" 3144:Williams, R. H. (1969). 2972:Freie Universität Berlin 2922:within a project called 2920:MIT Lincoln Laboratories 2853:     2838:     2813:     2802:     2784:     2479:     2398:     2119:Control Data Corporation 2006:octet An eight bit byte. 1911:     1856:     1653: 1366: 1340:Lawsuits over definition 5099:Parametric polymorphism 4408:"2.5 Byte manipulation" 3422:SanDisk USB Flash Drive 2797:character codes to 256 2511:Computer History Museum 2266:Computer History Museum 1370:Approximate equivalent 1066:measures of performance 428:Historically, the term 313:in its product line of 3908:"In December 1998 the 3744:. Telstra. p. 7. 3072: 2951: 2859: 2703: 2644: 2568: 2491: 2249: 2097: 1921: 1304:In December 1998, the 1231: 1060:in computing, such as 263:MIT Lincoln Laboratory 146:six-bit character code 107:computer architectures 4114:; shows 190,637 words 3923:"What is a kilobyte?" 3039:(inventor of JOVIAL): 3013: 2915: 2775: 2752:Bemer, Robert William 2697: 2631: 2526: 2395: 2235: 2059: 2026:"7. The Shift Matrix" 1953:10.1145/368424.368435 1934:Bemer, Robert William 1845: 1524:programming languages 1229: 1135:operating system and 556:For the company, see 476:Alexander Graham Bell 441:mainframe computers. 216:Etymology and history 32:Byte (disambiguation) 5165:Units of information 4482:Units of information 4296:Klein, Jack (2008), 3739:"Our Customer Terms" 3667:. Vodafone Ireland. 3665:"3G/GPRS data rates" 3453:. 27 February 2018. 2930:, Lincoln Labs, and 2716:Raymond, Eric Steven 1563:primitive data type 1137:random-access memory 1113:customary convention 1032:-based storage, and 551:Zib (disambiguation) 547:EIB (disambiguation) 543:PIB (disambiguation) 539:TIB (disambiguation) 535:GIB (disambiguation) 531:MIB (disambiguation) 527:KIB (disambiguation) 488:sound pressure level 361:in his hypothetical 328:In the early 1960s, 282:binary-coded decimal 5104:Primitive data type 5009:Recursive data type 4862:Algebraic data type 4738:Quadruple precision 3286:10.14529/jsfi140206 2872:Blaauw, Gerrit Anne 2778:I came to work for 1854:, are listed below. 1793:Blaauw, Gerrit Anne 1638:Primitive data type 1236:binary architecture 593:Multiple-byte units 509:Multiple-byte units 381:The development of 5067:Abstract data type 4748:Extended precision 4707:Reduced precision 4189:on 28 January 2018 4163:on 24 October 2012 4110:2021-01-25 at the 3953:2018-01-14 at the 3882:2020-10-16 at the 3863:2020-12-19 at the 3771:"SA400 minifloppy" 3719:on 26 October 2016 3614:2006-06-25 at the 3595:2010-09-01 at the 3576:2010-04-09 at the 3427:2008-05-13 at the 3253:2007-08-08 at the 3234:2021-08-16 at the 2605:Memory Word Length 2421:shortly thereafter 2202:Carl Hanser Verlag 1678:in July 1956, but 1360:Practical examples 1313:bytes, and so on. 1244:personal computing 1232: 310:control characters 245:Another origin of 163:, before the term 50:unit derived from 5170:Binary arithmetic 5147: 5146: 4879:Associative array 4743:Octuple precision 4592: 4591: 4567:Metric byte units 4323:Cline, Marshall. 4270:Cline, Marshall. 2720:"byte definition" 2598:"5. Input-Output" 2380:(February 1977). 1688:earliest document 1633:Octet (computing) 1515: 1514: 1133:Microsoft Windows 1038:Operating systems 1018:computer networks 923: 922: 912: 911: 736: 735: 558:Exabyte (company) 336:on long-distance 334:digital telephony 119:Internet Protocol 77: 76: 16:(Redirected from 5202: 5190:1950s neologisms 5119:Type constructor 5004:Opaque data type 4936:Record or Struct 4733:Double precision 4728:Single precision 4619: 4612: 4605: 4596: 4595: 4546:Metric bit units 4475: 4468: 4461: 4452: 4451: 4441: 4439: 4438: 4432: 4421: 4412: 4394: 4393: 4391: 4390: 4381:. Archived from 4371: 4365: 4364: 4362: 4361: 4346: 4340: 4339: 4337: 4336: 4320: 4314: 4313: 4312: 4311: 4302:, archived from 4293: 4287: 4286: 4284: 4283: 4267: 4261: 4260: 4258: 4257: 4238: 4232: 4231: 4229: 4227: 4205: 4199: 4198: 4196: 4194: 4185:. Archived from 4179: 4173: 4172: 4170: 4168: 4159:. Archived from 4146: 4140: 4139: 4137: 4136: 4121: 4115: 4102: 4096: 4095: 4093: 4092: 4072: 4066: 4065: 4063: 4062: 4053:. Archived from 4038: 4032: 4031: 4029: 4028: 4012: 4001: 4000: 3998: 3997: 3991: 3980: 3972: 3966: 3963: 3957: 3944: 3938: 3937: 3935: 3934: 3919: 3913: 3907: 3892: 3886: 3873: 3867: 3854: 3848: 3847: 3845: 3844: 3838: 3831: 3823: 3817: 3816: 3814: 3813: 3807: 3801:. Archived from 3800: 3792: 3786: 3785: 3783: 3782: 3767: 3761: 3760: 3758: 3756: 3750: 3743: 3735: 3729: 3728: 3726: 3724: 3709: 3703: 3702: 3700: 3698: 3687: 3681: 3680: 3678: 3676: 3661: 3655: 3654: 3652: 3651: 3636: 3630: 3625: 3619: 3606: 3600: 3587: 3581: 3568: 3562: 3561: 3533: 3527: 3526: 3524: 3522: 3503: 3497: 3496: 3494: 3492: 3473: 3467: 3466: 3464: 3462: 3443: 3432: 3419: 3413: 3410: 3404: 3403: 3401: 3399: 3347: 3341: 3340: 3338: 3337: 3331: 3324: 3316: 3310: 3309: 3307: 3306: 3288: 3264: 3258: 3245: 3239: 3215: 3206: 3205: 3203: 3202: 3196: 3185: 3177: 3171: 3163: 3141: 3135: 3134: 3113: 3104: 3103: 3101: 3100: 3081: 3075: 3012: 3011: 3010: 2993: 2987: 2986: 2984: 2983: 2963: 2954: 2914: 2901:"Byte: The Word" 2896: 2890: 2889: 2880:Buchholz, Werner 2868: 2862: 2774: 2772: 2771: 2762:. Archived from 2748: 2735: 2734: 2732: 2731: 2712: 2706: 2696: 2694: 2693: 2687: 2668: 2660:Buchholz, Werner 2656: 2647: 2630: 2628: 2627: 2621: 2602: 2594:Buchholz, Werner 2590: 2584: 2525: 2523: 2522: 2503: 2494: 2477: 2394: 2378:Buchholz, Werner 2374: 2359: 2358: 2348: 2339: 2338: 2336: 2335: 2319: 2313: 2312: 2310: 2309: 2290: 2281: 2280: 2278: 2277: 2258: 2252: 2234: 2227: 2221: 2218: 2189: 2183: 2180: 2148: 2142: 2139: 2134: 2133: 2127: 2116: 2106: 2100: 2058: 2056: 2055: 2049: 2039:. pp. 5–6. 2030: 2022:Buchholz, Werner 2018: 2009: 2008: 2003: 2001: 1989: 1987:10.17487/RFC0791 1971: 1965: 1964: 1955: 1930: 1924: 1908: 1844: 1843: 1842: 1836: 1830:, archived from 1812:Buchholz, Werner 1809: 1801:Buchholz, Werner 1789: 1768: 1762: 1757: 1751: 1748: 1742: 1735: 1729: 1726: 1720: 1705: 1699: 1672: 1666: 1663: 1589:, respectively. 1495:Internet traffic 1480: 1364: 1363: 1348: 1312: 1277: 1276: 1272: 1259: 1258: 1254: 1062:CPU clock speeds 1009:(BIPM) in 2022. 933:, following the 761: 740: 739: 601: 600: 595: 586: 579: 572: 563: 562: 37: 36: 21: 5210: 5209: 5205: 5204: 5203: 5201: 5200: 5199: 5185:Primitive types 5175:Computer memory 5150: 5149: 5148: 5143: 5124:Type conversion 5059: 5053: 4989:Enumerated type 4962: 4848: 4842:null-terminated 4818: 4783: 4671: 4628: 4623: 4593: 4588: 4562: 4541: 4510: 4484: 4479: 4436: 4434: 4430: 4419: 4410: 4406: 4403: 4401:Further reading 4398: 4397: 4388: 4386: 4373: 4372: 4368: 4359: 4357: 4348: 4347: 4343: 4334: 4332: 4321: 4317: 4309: 4307: 4294: 4290: 4281: 4279: 4268: 4264: 4255: 4253: 4240: 4239: 4235: 4225: 4223: 4206: 4202: 4192: 4190: 4181: 4180: 4176: 4166: 4164: 4156:www.pcworld.com 4147: 4143: 4134: 4132: 4123: 4122: 4118: 4112:Wayback Machine 4103: 4099: 4090: 4088: 4073: 4069: 4060: 4058: 4039: 4035: 4026: 4024: 4013: 4004: 3995: 3993: 3989: 3978: 3974: 3973: 3969: 3964: 3960: 3955:Wayback Machine 3945: 3941: 3932: 3930: 3921: 3920: 3916: 3893: 3889: 3884:Wayback Machine 3874: 3870: 3865:Wayback Machine 3855: 3851: 3842: 3840: 3836: 3829: 3825: 3824: 3820: 3811: 3809: 3805: 3798: 3794: 3793: 3789: 3780: 3778: 3769: 3768: 3764: 3754: 3752: 3748: 3741: 3737: 3736: 3732: 3722: 3720: 3711: 3710: 3706: 3696: 3694: 3689: 3688: 3684: 3674: 3672: 3663: 3662: 3658: 3649: 3647: 3638: 3637: 3633: 3626: 3622: 3616:Wayback Machine 3607: 3603: 3597:Wayback Machine 3588: 3584: 3578:Wayback Machine 3569: 3565: 3534: 3530: 3520: 3518: 3505: 3504: 3500: 3490: 3488: 3475: 3474: 3470: 3460: 3458: 3445: 3444: 3435: 3429:Wayback Machine 3420: 3416: 3411: 3407: 3397: 3395: 3348: 3344: 3335: 3333: 3329: 3322: 3318: 3317: 3313: 3304: 3302: 3265: 3261: 3255:Wayback Machine 3246: 3242: 3236:Wayback Machine 3226: 3221: 3219: 3217: 3216: 3209: 3200: 3198: 3194: 3183: 3179: 3178: 3174: 3160: 3142: 3138: 3131: 3114: 3107: 3098: 3096: 3083: 3082: 3078: 3071: 3068: 3066: 3059:Werner Buchholz 3056: 3050: 3040: 3034: 3028: 3025:John Goodenough 3022: 3021: 3008: 3006: 2995: 2994: 2990: 2981: 2979: 2964: 2957: 2950: 2943: 2897: 2893: 2869: 2865: 2858: 2852: 2842: 2837: 2818: 2812: 2809:Werner Buchholz 2806: 2801: 2788: 2783: 2769: 2767: 2749: 2738: 2729: 2727: 2713: 2709: 2702: 2691: 2689: 2685: 2666: 2657: 2650: 2643: 2640: 2625: 2623: 2619: 2600: 2591: 2587: 2567: 2554: 2539:Werner Buchholz 2520: 2518: 2505: 2504: 2497: 2490: 2487: 2485: 2478: 2456: 2455: 2424: 2410: 2408: 2403: 2402: 2375: 2362: 2350: 2349: 2342: 2333: 2331: 2320: 2316: 2307: 2305: 2291: 2284: 2275: 2273: 2260: 2259: 2255: 2248: 2245: 2243: 2241: 2239: 2229: 2228: 2224: 2219: 2212: 2204:. p. 300. 2190: 2186: 2181: 2169: 2149: 2145: 2140: 2131: 2129: 2125: 2114: 2108: 2107: 2103: 2096: 2088: 2082: 2063: 2053: 2051: 2047: 2033:The Link System 2028: 2019: 2012: 1999: 1997: 1972: 1968: 1931: 1927: 1920: 1910: 1902: 1878: 1855: 1840: 1838: 1834: 1807: 1790: 1781: 1776: 1771: 1760: 1758: 1754: 1749: 1745: 1736: 1732: 1727: 1723: 1709:Burroughs B1700 1706: 1702: 1686:. In fact, the 1680:Werner Buchholz 1673: 1669: 1664: 1660: 1656: 1614: 1520: 1493:global monthly 1485:-encoded music 1478: 1362: 1354:Western Digital 1346: 1342: 1330: 1310: 1299:binary prefixes 1274: 1270: 1269: 1256: 1252: 1251: 1224: 1217: 1172: 1170:Parochial units 1104:(Ri, 1024) and 1074: 1024:, particularly 1014:data-rate units 991: 591: 590: 561: 554: 511: 484:signal strength 447: 386:microprocessors 347:In Volume 1 of 304:(ASCII) as the 226:Werner Buchholz 218: 181:permitting the 167:became common. 35: 28: 23: 22: 15: 12: 11: 5: 5208: 5198: 5197: 5192: 5187: 5182: 5177: 5172: 5167: 5162: 5145: 5144: 5142: 5141: 5136: 5131: 5126: 5121: 5116: 5111: 5106: 5101: 5096: 5095: 5094: 5084: 5079: 5077:Data structure 5074: 5069: 5063: 5061: 5055: 5054: 5052: 5051: 5046: 5041: 5036: 5031: 5026: 5021: 5016: 5011: 5006: 5001: 4996: 4991: 4986: 4981: 4976: 4970: 4968: 4964: 4963: 4961: 4960: 4959: 4958: 4948: 4943: 4938: 4933: 4928: 4923: 4922: 4921: 4911: 4906: 4901: 4896: 4891: 4886: 4881: 4876: 4871: 4870: 4869: 4858: 4856: 4850: 4849: 4847: 4846: 4845: 4844: 4834: 4828: 4826: 4820: 4819: 4817: 4816: 4811: 4810: 4809: 4804: 4793: 4791: 4785: 4784: 4782: 4781: 4776: 4771: 4770: 4769: 4759: 4758: 4757: 4756: 4755: 4745: 4740: 4735: 4730: 4725: 4724: 4723: 4718: 4716:Half precision 4713: 4703:Floating point 4700: 4695: 4690: 4685: 4679: 4677: 4673: 4672: 4670: 4669: 4664: 4659: 4654: 4649: 4644: 4638: 4636: 4630: 4629: 4622: 4621: 4614: 4607: 4599: 4590: 4589: 4587: 4586: 4581: 4576: 4570: 4568: 4564: 4563: 4561: 4560: 4555: 4549: 4547: 4543: 4542: 4540: 4539: 4534: 4529: 4524: 4518: 4516: 4512: 4511: 4509: 4508: 4503: 4498: 4492: 4490: 4486: 4485: 4478: 4477: 4470: 4463: 4455: 4449: 4448: 4442: 4402: 4399: 4396: 4395: 4366: 4341: 4315: 4288: 4262: 4248:. 2016-09-09. 4233: 4200: 4174: 4141: 4116: 4097: 4067: 4033: 4002: 3967: 3958: 3939: 3914: 3887: 3868: 3849: 3818: 3787: 3762: 3730: 3704: 3682: 3656: 3631: 3620: 3601: 3582: 3563: 3544:(3): 143–144. 3528: 3498: 3468: 3433: 3414: 3405: 3342: 3325:. 2022-11-18. 3311: 3259: 3240: 3207: 3172: 3169:978-1483122106 3158: 3150:Pergamon Press 3136: 3129: 3105: 3091:. 2020-01-02. 3076: 3037:Jules Schwartz 3018:ACM conference 3014: 2988: 2955: 2916: 2913:on 1996-12-20. 2891: 2863: 2776: 2754:(2000-08-08). 2736: 2707: 2698: 2662:(1956-09-19). 2648: 2632: 2596:(1956-07-31). 2585: 2527: 2495: 2396: 2360: 2354:(2 ed.). 2340: 2314: 2294:Jaffer, Aubrey 2282: 2253: 2236: 2222: 2210: 2184: 2167: 2143: 2101: 2085:decimal digits 2078:magnetic cores 2060: 2024:(1956-06-11). 2010: 1980:. p. 43. 1966: 1925: 1846: 1778: 1777: 1775: 1772: 1770: 1769: 1752: 1743: 1741:architectures. 1730: 1721: 1700: 1696:September 1956 1667: 1657: 1655: 1652: 1651: 1650: 1645: 1640: 1635: 1630: 1625: 1623:Data hierarchy 1620: 1613: 1610: 1519: 1516: 1513: 1512: 1503: 1499: 1498: 1491: 1487: 1486: 1476: 1472: 1471: 1458: 1457: 1454: 1450: 1449: 1437: 1436: 1433: 1429: 1428: 1420: 1416: 1415: 1408: 1407: 1400: 1396: 1395: 1388: 1384: 1383: 1376: 1372: 1371: 1368: 1361: 1358: 1341: 1338: 1329: 1326: 1223: 1220: 1215: 1171: 1168: 1115:), in which 1 1073: 1070: 990: 987: 927:unit multiples 921: 920: 914: 913: 910: 909: 906: 903: 899: 898: 895: 892: 888: 887: 884: 881: 878: 874: 873: 870: 867: 864: 860: 859: 856: 853: 850: 846: 845: 842: 839: 836: 832: 831: 828: 825: 822: 819: 815: 814: 811: 808: 805: 802: 798: 797: 794: 791: 788: 785: 781: 780: 777: 774: 771: 768: 764: 763: 756: 751: 747: 746: 737: 734: 733: 730: 727: 723: 722: 719: 716: 712: 711: 708: 705: 701: 700: 697: 694: 690: 689: 686: 683: 679: 678: 675: 672: 668: 667: 664: 661: 657: 656: 651: 648: 644: 643: 638: 635: 631: 630: 625: 622: 618: 617: 612: 608: 607: 597: 596: 589: 588: 581: 574: 566: 549:, and 510: 507: 446: 443: 342:μ-law encoding 317:the eight-bit 255:Jules Schwartz 224:was coined by 217: 214: 183:binary-encoded 135:bit endianness 75: 74: 67: 63: 62: 59: 55: 54: 48: 42: 41: 26: 9: 6: 4: 3: 2: 5207: 5196: 5193: 5191: 5188: 5186: 5183: 5181: 5178: 5176: 5173: 5171: 5168: 5166: 5163: 5161: 5158: 5157: 5155: 5140: 5137: 5135: 5132: 5130: 5127: 5125: 5122: 5120: 5117: 5115: 5112: 5110: 5107: 5105: 5102: 5100: 5097: 5093: 5090: 5089: 5088: 5085: 5083: 5080: 5078: 5075: 5073: 5070: 5068: 5065: 5064: 5062: 5056: 5050: 5047: 5045: 5042: 5040: 5037: 5035: 5032: 5030: 5027: 5025: 5022: 5020: 5017: 5015: 5012: 5010: 5007: 5005: 5002: 5000: 4999:Function type 4997: 4995: 4992: 4990: 4987: 4985: 4982: 4980: 4977: 4975: 4972: 4971: 4969: 4965: 4957: 4954: 4953: 4952: 4949: 4947: 4944: 4942: 4939: 4937: 4934: 4932: 4929: 4927: 4924: 4920: 4917: 4916: 4915: 4912: 4910: 4907: 4905: 4902: 4900: 4897: 4895: 4892: 4890: 4887: 4885: 4882: 4880: 4877: 4875: 4872: 4868: 4865: 4864: 4863: 4860: 4859: 4857: 4855: 4851: 4843: 4840: 4839: 4838: 4835: 4833: 4830: 4829: 4827: 4825: 4821: 4815: 4812: 4808: 4805: 4803: 4800: 4799: 4798: 4795: 4794: 4792: 4790: 4786: 4780: 4777: 4775: 4772: 4768: 4765: 4764: 4763: 4760: 4754: 4751: 4750: 4749: 4746: 4744: 4741: 4739: 4736: 4734: 4731: 4729: 4726: 4722: 4719: 4717: 4714: 4712: 4709: 4708: 4706: 4705: 4704: 4701: 4699: 4696: 4694: 4691: 4689: 4686: 4684: 4681: 4680: 4678: 4674: 4668: 4665: 4663: 4660: 4658: 4655: 4653: 4650: 4648: 4645: 4643: 4640: 4639: 4637: 4635: 4634:Uninterpreted 4631: 4627: 4620: 4615: 4613: 4608: 4606: 4601: 4600: 4597: 4585: 4582: 4580: 4577: 4575: 4572: 4571: 4569: 4565: 4559: 4556: 4554: 4551: 4550: 4548: 4544: 4538: 4535: 4533: 4530: 4528: 4525: 4523: 4520: 4519: 4517: 4513: 4507: 4504: 4502: 4499: 4497: 4494: 4493: 4491: 4487: 4483: 4476: 4471: 4469: 4464: 4462: 4457: 4456: 4453: 4447: 4443: 4429: 4425: 4418: 4417: 4409: 4405: 4404: 4385:on 2020-04-28 4384: 4380: 4376: 4370: 4355: 4351: 4345: 4330: 4326: 4319: 4306:on 2010-03-27 4305: 4301: 4300: 4292: 4277: 4273: 4266: 4251: 4247: 4243: 4237: 4221: 4217: 4216: 4211: 4204: 4188: 4184: 4178: 4162: 4158: 4157: 4152: 4145: 4130: 4126: 4120: 4113: 4109: 4106: 4101: 4086: 4082: 4078: 4071: 4057:on 2009-01-02 4056: 4052: 4048: 4044: 4037: 4022: 4018: 4011: 4009: 4007: 3988: 3984: 3977: 3971: 3962: 3956: 3952: 3949: 3943: 3928: 3924: 3918: 3911: 3905: 3901: 3897: 3891: 3885: 3881: 3878: 3872: 3866: 3862: 3859: 3853: 3839:on 2011-04-23 3835: 3828: 3822: 3808:on 2011-06-08 3804: 3797: 3791: 3777:on 2014-05-27 3776: 3772: 3766: 3747: 3740: 3734: 3718: 3714: 3708: 3692: 3686: 3670: 3666: 3660: 3645: 3641: 3635: 3629: 3624: 3617: 3613: 3610: 3605: 3598: 3594: 3591: 3586: 3579: 3575: 3572: 3567: 3559: 3555: 3551: 3547: 3543: 3539: 3532: 3516: 3512: 3508: 3502: 3486: 3482: 3478: 3477:"UnitsPolicy" 3472: 3456: 3452: 3451:Apple Support 3448: 3442: 3440: 3438: 3430: 3426: 3423: 3418: 3409: 3393: 3389: 3385: 3381: 3377: 3373: 3369: 3365: 3361: 3357: 3353: 3346: 3328: 3321: 3315: 3300: 3296: 3292: 3287: 3282: 3279:(2): 89–107. 3278: 3274: 3270: 3263: 3256: 3252: 3249: 3244: 3237: 3233: 3230: 3225: 3214: 3212: 3197:on 2016-03-04 3193: 3189: 3182: 3176: 3170: 3166: 3161: 3155: 3151: 3147: 3140: 3132: 3130:9780201896831 3126: 3122: 3118: 3117:Knuth, Donald 3112: 3110: 3094: 3090: 3086: 3080: 3074: 3070: 3064: 3060: 3054: 3048: 3044: 3038: 3032: 3026: 3019: 3004: 3000: 2999: 2992: 2977: 2973: 2969: 2962: 2960: 2953: 2949: 2947: 2941: 2937: 2933: 2929: 2925: 2921: 2912: 2908: 2907: 2902: 2895: 2887: 2886: 2881: 2877: 2873: 2867: 2861: 2857: 2856: 2850: 2846: 2841: 2835: 2831: 2827: 2822: 2817: 2810: 2805: 2799: 2796: 2792: 2787: 2781: 2766:on 2017-04-03 2765: 2761: 2757: 2753: 2747: 2745: 2743: 2741: 2725: 2721: 2717: 2711: 2705: 2701: 2688:on 2017-04-04 2684: 2680: 2677:. p. 1. 2676: 2672: 2665: 2661: 2655: 2653: 2646: 2642: 2637: 2622:on 2017-04-04 2618: 2614: 2611:. p. 2. 2610: 2606: 2599: 2595: 2589: 2583: 2581: 2580: 2575: 2574: 2566: 2564: 2560: 2559: 2552: 2548: 2544: 2540: 2536: 2532: 2531:Gerrit Blaauw 2517:on 2016-04-29 2516: 2512: 2508: 2502: 2500: 2493: 2489: 2482: 2476: 2472: 2468: 2465: 2460: 2453: 2452: 2449:Chapter 4 of 2446: 2445: 2440: 2436: 2435:F P Brooks Jr 2432: 2428: 2422: 2418: 2414: 2406: 2401: 2392: 2388: 2387: 2386:Byte Magazine 2383: 2379: 2373: 2371: 2369: 2367: 2365: 2357: 2353: 2347: 2345: 2329: 2325: 2318: 2303: 2299: 2295: 2289: 2287: 2271: 2267: 2263: 2257: 2251: 2247: 2232: 2226: 2217: 2213: 2211:3-446-10569-7 2207: 2203: 2199: 2195: 2188: 2178: 2174: 2170: 2168:0-13-283953-9 2164: 2160: 2159:Prentice Hall 2156: 2155: 2147: 2138: 2128:on 2017-04-05 2124: 2120: 2113: 2112: 2105: 2099: 2095: 2092: 2086: 2079: 2075: 2071: 2067: 2050:on 2017-04-04 2046: 2042: 2038: 2034: 2027: 2023: 2017: 2015: 2007: 1996: 1993: 1988: 1983: 1979: 1978: 1970: 1963: 1959: 1954: 1949: 1945: 1941: 1940: 1935: 1929: 1923: 1919: 1916: 1915: 1906: 1901: 1898: 1894: 1893: 1888: 1884: 1883: 1876: 1872: 1871: 1865: 1864: 1859: 1853: 1852: 1837:on 2017-04-03 1833: 1829: 1825: 1821: 1817: 1813: 1806: 1802: 1798: 1794: 1788: 1786: 1784: 1779: 1766: 1756: 1747: 1740: 1734: 1725: 1718: 1715:, DEC PDP-6, 1714: 1710: 1704: 1697: 1693: 1689: 1685: 1681: 1677: 1671: 1662: 1658: 1649: 1646: 1644: 1641: 1639: 1636: 1634: 1631: 1629: 1626: 1624: 1621: 1619: 1616: 1615: 1609: 1607: 1603: 1599: 1595: 1590: 1588: 1584: 1580: 1576: 1572: 1568: 1566: 1562: 1558: 1555: 1553: 1547: 1543: 1539: 1534: 1532: 1529: 1525: 1510: 1509: 1508:Zettabyte Era 1504: 1501: 1500: 1496: 1492: 1488: 1484: 1477: 1474: 1473: 1469: 1468: 1463: 1460: 1459: 1455: 1451: 1448: 1447: 1442: 1439: 1438: 1434: 1430: 1427: 1426: 1421: 1417: 1414: 1410: 1409: 1405: 1401: 1397: 1393: 1389: 1385: 1381: 1377: 1373: 1365: 1357: 1355: 1350: 1337: 1335: 1325: 1323: 1319: 1314: 1307: 1302: 1300: 1296: 1293:In 1995, the 1291: 1289: 1285: 1281: 1267: 1263: 1249: 1245: 1241: 1237: 1228: 1219: 1213: 1209: 1205: 1201: 1197: 1193: 1189: 1185: 1181: 1177: 1167: 1165: 1160: 1158: 1154: 1150: 1146: 1142: 1138: 1134: 1130: 1126: 1122: 1118: 1114: 1109: 1107: 1103: 1099: 1095: 1091: 1087: 1083: 1079: 1069: 1067: 1063: 1059: 1055: 1051: 1047: 1043: 1039: 1035: 1031: 1027: 1023: 1022:storage media 1019: 1015: 1010: 1008: 1004: 1001:for 1000 and 1000: 996: 986: 982: 980: 976: 972: 968: 967: 962: 961: 956: 955: 950: 946: 942: 941: 936: 932: 928: 919: 915: 901: 900: 890: 889: 882: 879: 876: 875: 868: 865: 862: 861: 854: 851: 848: 847: 840: 837: 834: 833: 829: 826: 823: 820: 817: 816: 812: 809: 806: 803: 800: 799: 795: 792: 789: 786: 783: 782: 778: 775: 772: 769: 766: 765: 762: 755: 748: 745: 741: 738: 731: 728: 725: 724: 720: 717: 714: 713: 709: 706: 703: 702: 698: 695: 692: 691: 687: 684: 681: 680: 676: 673: 670: 669: 665: 662: 659: 658: 655: 652: 649: 646: 645: 642: 639: 636: 633: 632: 629: 626: 623: 620: 619: 616: 609: 606: 602: 599: 598: 594: 587: 582: 580: 575: 573: 568: 567: 564: 559: 552: 548: 544: 540: 536: 532: 528: 524: 520: 516: 506: 504: 500: 496: 491: 489: 485: 481: 477: 473: 472: 467: 462: 460: 456: 452: 442: 440: 435: 431: 426: 425:definitions. 424: 420: 419: 413: 411: 407: 403: 399: 395: 391: 387: 384: 379: 376: 372: 368: 364: 360: 356: 352: 351: 345: 343: 339: 335: 331: 326: 324: 320: 316: 311: 307: 303: 299: 295: 291: 287: 283: 278: 276: 272: 268: 264: 260: 256: 252: 248: 243: 241: 237: 236: 231: 227: 223: 213: 211: 206: 205: 200: 196: 191: 188: 184: 180: 176: 174: 168: 166: 162: 158: 157: 151: 147: 143: 138: 136: 132: 128: 124: 120: 116: 112: 108: 104: 100: 96: 92: 88: 84: 79: 73:(when 8 bits) 72: 68: 64: 60: 56: 53: 49: 47: 43: 38: 33: 19: 4904:Intersection 4646: 4526: 4435:. Retrieved 4415: 4387:. Retrieved 4383:the original 4378: 4369: 4358:. Retrieved 4344: 4333:. Retrieved 4318: 4308:, retrieved 4304:the original 4298: 4291: 4280:. Retrieved 4265: 4254:. Retrieved 4245: 4236: 4224:. Retrieved 4213: 4203: 4191:. Retrieved 4187:the original 4177: 4165:. Retrieved 4161:the original 4154: 4144: 4133:. Retrieved 4119: 4100: 4089:. Retrieved 4080: 4070: 4059:. Retrieved 4055:the original 4046: 4036: 4025:. Retrieved 4019:. betanews. 3994:. Retrieved 3970: 3961: 3942: 3931:. Retrieved 3917: 3890: 3871: 3852: 3841:. Retrieved 3834:the original 3821: 3810:. Retrieved 3803:the original 3790: 3779:. Retrieved 3775:the original 3765: 3753:. Retrieved 3733: 3721:. Retrieved 3717:the original 3707: 3695:. Retrieved 3685: 3673:. Retrieved 3659: 3648:. Retrieved 3634: 3623: 3604: 3585: 3566: 3541: 3537: 3531: 3519:. Retrieved 3510: 3501: 3489:. Retrieved 3480: 3471: 3459:. Retrieved 3450: 3417: 3408: 3396:. Retrieved 3355: 3345: 3334:. Retrieved 3314: 3303:. Retrieved 3276: 3272: 3262: 3243: 3199:. Retrieved 3192:the original 3175: 3145: 3139: 3120: 3097:. Retrieved 3088: 3079: 3073: 3015: 3007:, retrieved 2997: 2991: 2980:. Retrieved 2952: 2917: 2911:the original 2904: 2894: 2883: 2866: 2860: 2854: 2839: 2814: 2803: 2785: 2777: 2768:. Retrieved 2764:the original 2759: 2728:. Retrieved 2710: 2704: 2699: 2690:. Retrieved 2683:the original 2670: 2645: 2633: 2624:. Retrieved 2617:the original 2604: 2588: 2577: 2571: 2569: 2556: 2528: 2519:. Retrieved 2515:the original 2492: 2474: 2470: 2462: 2458: 2450: 2442: 2405: 2399: 2397: 2390: 2384: 2355: 2351: 2332:. Retrieved 2317: 2306:. Retrieved 2274:. Retrieved 2256: 2250: 2237: 2230: 2225: 2215: 2197: 2193: 2187: 2153: 2146: 2136: 2130:. Retrieved 2123:the original 2110: 2104: 2098: 2091:alphanumeric 2061: 2052:. Retrieved 2045:the original 2032: 2005: 1998:. Retrieved 1976: 1969: 1946:(9): 19–23, 1943: 1937: 1928: 1922: 1912: 1890: 1880: 1874: 1868: 1861: 1857: 1849: 1847: 1839:, retrieved 1832:the original 1815: 1755: 1746: 1733: 1724: 1703: 1675: 1670: 1661: 1591: 1582: 1578: 1569: 1564: 1559: 1550: 1545: 1535: 1530: 1521: 1506: 1465: 1444: 1423: 1351: 1343: 1331: 1321: 1318:Donald Knuth 1315: 1303: 1292: 1287: 1239: 1233: 1211: 1210:for 4 bits, 1207: 1203: 1199: 1195: 1191: 1187: 1183: 1179: 1175: 1173: 1161: 1124: 1120: 1116: 1112: 1110: 1105: 1101: 1097: 1093: 1075: 1011: 1002: 998: 994: 992: 983: 978: 974: 970: 964: 958: 952: 938: 931:powers of 10 924: 492: 469: 463: 451:IEC 80000-13 448: 433: 429: 427: 416: 414: 405: 380: 374: 370: 366: 358: 355:Donald Knuth 348: 346: 327: 279: 246: 244: 239: 233: 221: 219: 202: 192: 187:IEC 80000-13 179:power of two 172: 169: 164: 160: 154: 150:memory words 139: 113:definition, 82: 80: 78: 58:Unit of 5134:Type theory 5129:Type system 4979:Bottom type 4926:Option type 4867:generalized 4753:Long double 4698:Fixed point 4379:Blu-ray.com 4246:Cisco Blogs 4226:28 November 4193:19 February 3511:Debian Wiki 3481:Ubuntu Wiki 3398:21 November 3053:Fred Brooks 2826:tape drives 2553:leadership. 2535:Fred Brooks 2484:addressing. 2417:August 1956 1903: [ 1692:August 1956 1587:−128 to 127 1526:define the 1518:Common uses 1404:Jabberwocky 1394:character. 1392:basic Latin 1280:floppy disk 1176:double word 1078:powers of 2 1058:SI prefixes 1026:hard drives 949:SI prefixes 945:powers of 2 732:quettabyte 445:Unit symbol 410:hexadecimal 367:unspecified 338:trunk lines 332:introduced 230:IBM Stretch 170:The modern 99:addressable 46:Unit system 5195:8 (number) 5160:Data types 5154:Categories 5039:Empty type 5034:Type class 4984:Collection 4941:Refinement 4919:metaobject 4767:signedness 4626:Data types 4437:2017-04-05 4389:2021-02-24 4360:2016-09-02 4335:2015-06-18 4310:2015-06-18 4282:2015-06-18 4256:2021-08-04 4167:5 December 4135:2020-12-12 4091:2014-09-16 4061:2009-03-30 4027:2009-03-30 3996:2020-01-24 3933:2010-05-20 3843:2011-06-24 3812:2011-06-24 3781:2014-03-25 3755:26 October 3723:26 October 3697:26 October 3693:. AT&T 3675:26 October 3650:2014-03-25 3483:. 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Index

Kibibyte
Byte (disambiguation)
Unit system
bit
o
unit of digital information
bits
character
addressable
memory
computer architectures
8-bit
network
Internet Protocol
RFC
791
octet
bit endianness
hardware
six-bit character code
memory words
syllables
de facto standard
power of two
binary-encoded
IEC 80000-13
International Electrotechnical Commission
Institute of Electrical and Electronics Engineers
octet
bel

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