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BCD (character encoding)

Index BCD (character encoding)

BCD ("Binary-Coded Decimal"), also called alphanumeric BCD, alphameric BCD, BCD Interchange Code, or BCDIC, is a family of representations of numerals, uppercase Latin letters, and some special and control characters as six-bit character codes. [1]

39 relations: Ampersand, ASCII, Asterisk, Binary code, Binary-coded decimal, Bull, Burroughs Corporation, Burroughs large systems, Cheque, Control Data Corporation, EBCDIC, Fieldata, General Electric, Groupe Bull, Hexadecimal, Honeywell, Hyphen-minus, IBM, IBM 1400 series, IBM 1401, IBM 1403, IBM 1620, IBM 700/7000 series, IBM 704, IBM 709, IBM 7090, Magnetic tape, MIT Press, NCR Corporation, Procter & Gamble, Punched card, Record (computer science), Siemens, Six-bit character code, Sperry Corporation, Transcode (character encoding), UNIVAC, Word (computer architecture), Word mark (computer hardware).

Ampersand

The ampersand is the logogram &, representing the conjunction "and".

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ASCII

ASCII, abbreviated from American Standard Code for Information Interchange, is a character encoding standard for electronic communication.

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Asterisk

An asterisk (*); from Late Latin asteriscus, from Ancient Greek ἀστερίσκος, asteriskos, "little star") is a typographical symbol or glyph. It is so called because it resembles a conventional image of a star. Computer scientists and mathematicians often vocalize it as star (as, for example, in the A* search algorithm or C*-algebra). In English, an asterisk is usually five-pointed in sans-serif typefaces, six-pointed in serif typefaces, and six- or eight-pointed when handwritten. It is often used to censor offensive words, and on the Internet, to indicate a correction to a previous message. The asterisk is derived from the need of the printers of family trees in feudal times for a symbol to indicate date of birth. The original shape was seven-armed, each arm like a teardrop shooting from the center. In computer science, the asterisk is commonly used as a wildcard character, or to denote pointers, repetition, or multiplication.

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Binary code

A binary code represents text, computer processor instructions, or any other data using a two-symbol system.

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Binary-coded decimal

In computing and electronic systems, binary-coded decimal (BCD) is a class of binary encodings of decimal numbers where each decimal digit is represented by a fixed number of bits, usually four or eight.

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Bull

A bull is an intact (i.e., not castrated) adult male of the species Bos taurus (cattle).

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Burroughs Corporation

The Burroughs Corporation was a major American manufacturer of business equipment.

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Burroughs large systems

In the 1970s, Burroughs Corporation was organized into three divisions with very different product line architectures for high-end, mid-range, and entry-level business computer systems.

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Cheque

A cheque, or check (American English; see spelling differences), is a document that orders a bank to pay a specific amount of money from a person's account to the person in whose name the cheque has been issued.

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Control Data Corporation

Control Data Corporation (CDC) was a mainframe and supercomputer firm.

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EBCDIC

Extended Binary Coded Decimal Interchange Code (EBCDIC) is an eight-bit character encoding used mainly on IBM mainframe and IBM midrange computer operating systems.

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Fieldata

FIELDATA (also written as Fieldata) was a pioneering computer project run by the US Army Signal Corps in the late 1950s that intended to create a single standard (as defined in MIL-STD-188A/B/C) for collecting and distributing battlefield information.

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General Electric

General Electric Company (GE) is an American multinational conglomerate incorporated in New York and headquartered in Boston, Massachusetts.

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Groupe Bull

Bull SAS (also known as Groupe Bull, Bull Information Systems, or simply Bull) is a French-owned computer company headquartered in Les Clayes-sous-Bois, in the western suburbs of Paris.

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Hexadecimal

In mathematics and computing, hexadecimal (also base, or hex) is a positional numeral system with a radix, or base, of 16.

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Honeywell

Honeywell International Inc. is an American multinational conglomerate company that produces a variety of commercial and consumer products, engineering services and aerospace systems for a wide variety of customers, from private consumers to major corporations and governments.

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Hyphen-minus

The hyphen-minus (-) is a character used in digital documents and computing to represent a hyphen (‐) or a minus sign (−).

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IBM

The International Business Machines Corporation (IBM) is an American multinational technology company headquartered in Armonk, New York, United States, with operations in over 170 countries.

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IBM 1400 series

The IBM 1400 series were second-generation (transistor) mid-range business decimal computers that IBM marketed in the early 1960s.

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IBM 1401

The IBM 1401 is a variable wordlength decimal computer that was announced by IBM on October 5, 1959.

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IBM 1403

The IBM 1403 line printer was introduced as part of the IBM 1401 computer in 1959 and had an especially long life in the IBM product line.

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IBM 1620

The IBM 1620 was announced by IBM on October 21, 1959, and marketed as an inexpensive "scientific computer".

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IBM 700/7000 series

The IBM 700/7000 series is a series of large-scale (mainframe) computer systems that were made by IBM through the 1950s and early 1960s.

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IBM 704

The IBM 704, introduced by IBM in 1954, is the first mass-produced computer with floating-point arithmetic hardware.

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IBM 709

The IBM 709 was a computer system, initially announced by IBM in January 1957 and first installed during August 1958.

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IBM 7090

The IBM 7090 is a second-generation transistorized version of the earlier IBM 709 vacuum tube mainframe computers that was designed for "large-scale scientific and technological applications".

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Magnetic tape

Magnetic tape is a medium for magnetic recording, made of a thin, magnetizable coating on a long, narrow strip of plastic film.

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MIT Press

The MIT Press is a university press affiliated with the Massachusetts Institute of Technology (MIT) in Cambridge, Massachusetts (United States).

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NCR Corporation

The NCR Corporation (originally National Cash Register) is a company that makes self-service kiosks, point-of-sale terminals, automated teller machines, check processing systems, barcode scanners, and business consumables.

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Procter & Gamble

Procter & Gamble Co. (P&G) is an American multi-national consumer goods corporation headquartered in downtown Cincinnati, Ohio, founded in 1837 by British American William Procter and Irish American James Gamble.

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Punched card

A punched card or punch card is a piece of stiff paper that can be used to contain digital data represented by the presence or absence of holes in predefined positions.

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Record (computer science)

In computer science, a record (also called a structure, struct, or compound data) is a basic data structure.

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Siemens

Siemens AG is a German conglomerate company headquartered in Berlin and Munich and the largest industrial manufacturing company in Europe with branch offices abroad.

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Six-bit character code

A six-bit character code is a character encoding designed for use on computers with word lengths a multiple of 6.

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Sperry Corporation

Sperry Corporation (1910−1986) was a major American equipment and electronics company whose existence spanned more than seven decades of the 20th century.

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Transcode (character encoding)

Transcode, or Transmission Code, is a no longer used 6-bit plus parity BCD character set which was used by IBM for a short time for Binary Synchronous communications.

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UNIVAC

UNIVAC (Universal Automatic Computer) is a line of electronic digital stored-program computers starting with the products of the Eckert–Mauchly Computer Corporation.

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Word (computer architecture)

In computing, a word is the natural unit of data used by a particular processor design.

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Word mark (computer hardware)

In computer hardware, a word mark or flag is a bit in each memory location on some variable word length computers (e.g., IBM 1401, 1410, 1620) used to mark the end of a word.

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References

[1] https://en.wikipedia.org/wiki/BCD_(character_encoding)

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