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System of digitally encoding numbers
In computing and electronic systems, binary-coded decimal (BCD) is a class of binary encodings of decimal numbers where each digit is represented by a
Binary-coded_decimal
Ordering of binary values, used for positioning and error correction
bit (binary digit). For example, the representation of the decimal value "1" in binary would normally be "001", and "2" would be "010". In Gray code, these
Gray_code
Eight-bit character encoding system invented by IBM
Extended Binary Coded Decimal Interchange Code (EBCDIC; /ˈɛbsɪdɪk/) is an eight-bit character encoding used mainly on IBM mainframe and IBM midrange computer
EBCDIC
Encoded data represented in binary notation
example, "a" is represented by decimal code 97 which is rendered as bit string 1100001. Binary-coded decimal Binary-coded decimal (BCD) is an encoding of integer
Binary_code
Six-bit binary-coded decimal codes
BCD (binary-coded decimal), also called alphanumeric BCD, alphameric BCD, BCD Interchange Code, or BCDIC, is a family of representations of numerals,
BCD_(character_encoding)
Clock that displays the time in a binary format
Gray coded binary, also exist. Most common binary clocks use six columns of LEDs to represent zeros and ones. Each column represents a single decimal digit
Binary_clock
Digital circuit that produces sums from inputs
many number representations, such as binary-coded decimal or excess-3, the most common adders operate on binary numbers. In cases where two's complement
Adder_(electronics)
Computer operating on base-10 numbers
A decimal computer is a computer that represents and operates on numbers and addresses in decimal format – instead of binary as is common in most modern
Decimal_computer
Variation to BCD-code where three (11) is added to a binary representation
1937) is a self-complementary binary-coded decimal (BCD) code and numeral system. It is a biased representation. Excess-3 code was used on some older computers
Excess-3
Number expressed in the base-2 numeral system
operation Binary code Binary-coded decimal Binary non positional code Finger binary Gray code IEEE 754 Linear-feedback shift register Offset binary Quibinary
Binary_number
Base-3 numeral system
to binary-coded decimal (BCD) encoding. If the trit values 0, 1 and 2 are encoded 00, 01 and 10, conversion in either direction between binary-coded ternary
Ternary_numeral_system
Combinational logic circuit
In digital electronics, a binary decoder is a combinational logic circuit that converts binary information from the n coded inputs to a maximum of 2n
Binary_decoder
Memory-efficient binary encoding of decimal digits
system of binary encoding for decimal digits. The traditional system of binary encoding for decimal digits, known as binary-coded decimal (BCD), uses
Chen–Ho_encoding
Datum of integral data type
bit patterns are sometimes used, for example binary-coded decimal or Gray code, or as printed character codes such as ASCII. There are four well-known ways
Integer_(computer_science)
Prefix indicating a power of two
straight binary system internally, whereas 53 utilize the decimal system (primarily binary coded decimal) and 3 systems utilize a binary coded alphanumeric
Binary_prefix
Efficient system of binary encoding for decimal digits used in decimal floating point
decimal digits, known as binary-coded decimal (BCD), uses four bits to encode each digit, resulting in significant wastage of binary data bandwidth (since
Densely_packed_decimal
Unit of digital information, usually 8 bits
System/360 the eight-bit Extended Binary Coded Decimal Interchange Code (EBCDIC), an expansion of their six-bit binary-coded decimal (BCDIC) representations used
Byte
Computer science topic
x := y shl 2; popcount, used in cryptography count leading zeros Binary-coded decimal Bitwise operations are necessary particularly in lower-level programming
Bitwise_operation
Japanese relay-based electromechanical computer
early electromechanical computer built by Fujitsu in 1954 which used binary-coded decimal arithmetic. The design of the later FACOM 128 was influenced by experience
FACOM_100
Set of x86 processor instructions
operate with binary-coded decimal numbers: AAA, DAA, AAS, DAS, AAM, and AAD. Most arithmetic operations on x86 processors use a binary numeral system
Intel_BCD_opcodes
Numeral encoding scheme
Bi-quinary coded decimal is a numeral encoding scheme used in many abacuses and in some early computers, notably the Colossus. The term bi-quinary indicates
Bi-quinary_coded_decimal
Algorithm to convert binary numbers to BCD
science, the double dabble algorithm is used to convert binary numbers into binary-coded decimal (BCD) notation. It is also known as the shift-and-add-3
Double_dabble
Complementary binary-coded decimal code
The Aiken code (also known as 2421 code) is a complementary binary-coded decimal (BCD) code. A group of four bits is assigned to the decimal digits from
Aiken_code
Binary/decimal adjustment flag bit in some computer processors
according to the rules of simple binary addition. For example, adding 2516 and 4816 produces 6D16. However, for binary-coded decimal (BCD) values, where each
Half-carry_flag
Avionics data bus standard
most significant bit first. However, like UART Protocol, Binary-coded decimal numbers and binary numbers in the ARINC 429 data fields are generally transmitted
ARINC_429
Instructions directly executable by a computer
using machine instructions: segment registers protected address mode binary-coded decimal (BCD) arithmetic The criteria for instruction formats include: Instructions
Machine_code
Decimal representation of real numbers in computing
financial information) and binary (base-2) fractions. The advantage of decimal floating-point representation over decimal fixed-point and integer representation
Decimal_floating_point
Number in base-10 numeral system
Algorism Binary-coded decimal (BCD) Decimal classification Decimal computer Decimal time Decimal representation Decimal section numbering Decimal separator
Decimal
Computer format for representing real numbers
base b. The most common variants are decimal (base 10) and binary (base 2). The latter is commonly known also as binary scaling. Thus, if n fraction digits
Fixed-point_arithmetic
Device storing number of times an event or process occurred
count, encoded directly as a binary or binary-coded decimal (BCD) number or using encodings such as one-hot or Gray code. Most counters have a reset input
Counter_(digital)
Computer architecture bit width
decimal math was used, like electronic cash registers, microwave oven timers, and so forth. This is because a 4-bit value holds a single binary-coded
4-bit_computing
Topics referred to by the same term
refer to: Binary-coded decimal, a representation of decimal digits in binary BCD (character encoding), a 6-bit superset of binary-coded decimal derived
BCD
Character encodings for Japanese on EBCDIC mainframes
Several mutually incompatible versions of the Extended Binary Coded Decimal Interchange Code (EBCDIC) have been used to represent the Japanese language
Japanese_language_in_EBCDIC
Computer encoding of characters
adaptations of the punched card code to binary code. IBM applied the terms binary-coded decimal and BCD to the variations of BCD alphamerics used in most early IBM
Six-bit_character_code
Base memory unit handled by a computer
as well) use binary-coded decimal rather than plain binary, typically having a word size of 10 or 12 decimal digits, and some early decimal computers have
Word_(computer_architecture)
Character encoding standard
values in binary, making conversion with binary-coded decimal straightforward (for example, 5 is encoded to 0110101, where 5 is 0101 in binary). Many of
ASCII
Encoding of negative numbers in binary number systems
expressed preference for such modified decimal numbers to reduce errors in computation. Balanced ternary Binary-coded decimal Computer number format Method of
Signed_number_representations
Numerical symbol
symbol can be called a decimal mark, decimal marker, or decimal sign. Symbol-specific names are also used; decimal point and decimal comma refer to a dot
Decimal_separator
Topics referred to by the same term
children Binary-coded decimal, a method for encoding for decimal digits in binary sequences Binary star, a star system with two stars in it X-ray binary, a
Binary
Base-8 numeral representation
represent the value of a 3-digit binary number (starting from the right). For example, the binary representation for decimal 74 is 1001010. Two zeroes can
Octal
8-bit microprocessor from 1975
subtraction in binary or binary-coded decimal. Placing the CPU into BCD mode with the SED (set D flag) instruction results in decimal arithmetic, in which
MOS_Technology_6502
Entropy encoding
the term "unary coding" in German scientific literature is "BCD-Zählcode", which would translate into "binary-coded decimal counting code". This must not
Unary_coding
payloads of NaNs) can be encoded in two ways, referred to as binary encoding and decimal encoding. Both formats break a number down into a sign bit s
Binary_integer_decimal
Telecommunication signaling system
such as Bell 400-style modems. Selective calling Binary-coded decimal § Telephony binary-coded decimal (TBCD) Cue tone Telephones portal Dodd, Annabel
DTMF_signaling
Using numbers to represent text characters
Multiplier, it used a variety of binary encoding schemes that were tied to the punch card code. IBM used several binary-coded decimal (BCD) six-bit character encoding
Character_encoding
ITU-T recommendation
network user addresses (NUAs). It consists of a maximum of fourteen binary-coded decimal digits and is sent over the Packet Layer Protocol (PLP) after the
X.121
Internal representation of numeric values in a digital computer
provide decimal floating-points operations, which provide rounding errors of a different form. Arbitrary-precision arithmetic Binary-coded decimal Binary-to-text
Computer_number_format
Floating-point number format by Microsoft
their spreadsheet Multiplan and their COBOL implementation used binary-coded decimal (BCD) floating point. Even so, for a while MBF became the de facto
Microsoft_Binary_Format
Device used for calculations
Most pocket calculators do all their calculations in binary-coded decimal (BCD) rather than binary. BCD is common in electronic systems where a numeric
Calculator
represented. Examples of six-bit binary codes are: International Telegraph Alphabet No. 4 (ITA4) Six-bit BCD (Binary Coded Decimal), used by early mainframe
List_of_binary_codes
Programming language with English-like syntax
character set USAGE PACKED-DECIMAL, where data is stored in the smallest possible decimal format (typically packed binary-coded decimal) The report writer is
COBOL
American shortwave time signal radio station
broadcasts ended in 1953. A binary-coded decimal time code began testing in 1960, and became permanent in 1961. This "NASA time code" was modulated onto a 1 kHz
WWV_(radio_station)
American longwave time signal radio station
time code format has changed only slightly since 1965; it sends a decimal time code, using four binary bits to send each digit in binary-coded decimal (BCD)
WWVB
Instruction Code BBP—Baseband ProcessorCo BBS—Bulletin Board System BC—Business Continuity BCC—Blind Carbon Copy BCD—Binary Coded Decimal BCD—Boot Configuration
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Inherent flaw in computer instructions
otherwise valid instruction on the wrong data type (see packed decimal/binary-coded decimal). Access violations. Resource leaks, where a finite system resource
Software_bug
Computer architecture bit width
8-bit multiple which could store a single ASCII character or two binary-coded decimal digits. The 16-bit word length thus became more common in the 1960s
16-bit_computing
straight binary system internally, whereas 53 utilize the decimal system (primarily binary coded decimal) and 3 systems utilize a binary-coded alphanumeric
Timeline_of_binary_prefixes
Algorithm for computing trigonometric, hyperbolic, logarithmic and exponential functions
Volder at Convair, developed conversion algorithms between binary and binary-coded decimal (BCD). In 1958, Convair finally started to build a demonstration
CORDIC
Type of computer instructions
such as Count leading zeros, Popcount, Galois field arithmetic, binary-coded decimal, bit-matrix multiply and transpose, byte-permute, bit permute including
Bit_manipulation_instructions
1972 United States Supreme Court case
Benson and Arthur Tabbot, for a method for converting binary-coded decimal (BCD) numerals into pure binary numerals on a general-purpose digital computer. The
Gottschalk_v._Benson
Interpreted programming language
still being easier to program than machine code. The language looks like machine code as it uses hexadecimal codes for instructions, but as an interpreter
CHIP-8
Concise notation for large or small numbers
a mixed representation for binary floating point numbers, where the exponent is displayed as decimal number even in binary mode, so the above becomes
Scientific_notation
Computer bugs related to the year 2000
of problems was confusion between hexadecimal number encoding and binary-coded decimal encodings of numbers. Both hexadecimal and BCD encode the numbers
Year_2000_problem
Reference to a specific memory location
single six bit binary-coded decimal digit, consisting of a parity bit, flag bit and four numerical bits. The 1620 used 5-digit decimal addresses, so in theory
Memory_address
internal binary-coded decimal representation via operating system routines. All numbers, even line numbers, have to be converted to binary-coded decimal. It
Atari_Assembler_Editor
64-bit computer number format
the binary encoding, the 16-digit significand is represented as a binary coded positive integer, based on binary integer decimal (BID). In the decimal encoding
Decimal64 floating-point format
Decimal64_floating-point_format
Numeric codes generated at regular intervals
on the environment, timecode generators can take various forms. Binary-coded decimal Clock synchronization Global Positioning System Jam sync Network
Timecode
Barcode symbology
The MSI bar code represents only digits 0–9; it does not support letters or symbols. Each digit is converted to 4 binary-coded decimal bits. Then a 1
MSI_Barcode
manipulate simple binary numbers, and text, scientific floating-point (similar to the numbers used in a calculator), and the binary-coded decimal arithmetic
History of general-purpose CPUs
History_of_general-purpose_CPUs
Microprocessor
arguments and setting the status bits without storing the result) Binary-coded decimal arithmetic: ABCD, NBCD, and SBCD Logic: EOR (exclusive or), AND,
Motorola_68000
Computer approximation for real numbers
original on 2004-12-21. Gay, David M. (1990). Correctly Rounded Binary-Decimal and Decimal-Binary Conversions (Technical report). NUMERICAL ANALYSIS MANUSCRIPT
Floating-point_arithmetic
Japanese time signal radio station
are marker bits. The remaining 53 encode Japan Standard Time using binary-coded decimal. JST does not include summer time, but bits are reserved to handle
JJY
Representation of binary data as text
(radix). For example, decimal is a scheme for representing a value as base-10, but it is not a binary-to-text encoding. A binary-to-text encoding could
Binary-to-text_encoding
Presentation format for numerical data
Dot-decimal notation is a presentation format for numerical data. It consists of a string of decimal numbers, using the full stop (., also called dot in
Dot-decimal_notation
Spreadsheet software
iterative calculations were added when Sorcim changed from binary-coded decimal to binary math. Since the precision of the two math packages was different
SuperCalc
Number of digits of a numeral system
equivalent to 100 (the decimal system is implied in the latter) and represents the number one hundred, while (100)2 (in the binary system with base 2) represents
Radix
Unicode character
Web Consortium (W3C). Retrieved 7 August 2022. "Extended Binary-Coded Decimal Interchange Code - S/390". comsci.us. Retrieved 8 April 2011. "Glossary"
Soft_hyphen
8-bit microprocessor
operation required a borrow. Auxiliary carry (AC or H), used for binary-coded decimal arithmetic (BCD). The carry bit can be set or complemented by specific
Intel_8080
IEEE standard for floating-point arithmetic
IEEE 754 standard. The standard defines: arithmetic formats: sets of binary and decimal floating-point data, which consist of finite numbers (including signed
IEEE_754
Early British computer
converting Binary Coded Decimal (BCD) to binary. Similarly for division, which could be used for converting integers to Binary Coded Decimal (BCD), and
English_Electric_DEUCE
Instruction set designed to be run by a software interpreter
byte-code distinguished between the machine-specific floating point format to calculate on, and an external (standard) format, which was binary coded decimal
Bytecode
Base-16 numeric representation
(or e) serves a similar purpose in decimal E notation. The number after the P is decimal and represents the binary exponent. Increasing the exponent by
Hexadecimal
Sixth layer of the OSI model of telecommunications
the conversion of an extended binary coded decimal interchange code (EBCDIC-coded) text computer file to an ASCII-coded file. If necessary, the presentation
Presentation_layer
Australian national time signal service
984, and 16 MHz. It shut down in 2002. Radio VNG broadcast time in binary-coded decimal, during seconds 21–58. It also broadcast DUT-1 information during
Radio_VNG
Order of magnitude indicator
adopted into the SI.[page needed] The decimal prefix for ten thousand, myria- (sometimes spelt myrio-), and the early binary prefixes double- (2×) and demi-
Metric_prefix
Standards to label individual frames with a timecode
represented in 32 bits using binary-coded decimal. There are also drop-frame and color framing flags and three extra binary group flag bits used for defining
SMPTE_timecode
Unit of information
of bits, rather than interpreting them as binary numbers. Data transfer rates are usually measured in decimal SI multiples. For example, a channel capacity
Bit
Data whose unit can take on only two possible states
general binary data need not come from i.i.d. variables. Total counts of i.i.d. binary variables (equivalently, sums of i.i.d. binary variables coded as 1
Binary_data
Units that are not part of a coherent system
the amount of memory used to store a digit of a number stored in binary-coded decimal format, or to represent a single hexadecimal digit. Less commonly
List of non-coherent units of measurement
List_of_non-coherent_units_of_measurement
First general-purpose computer designed for business application (1951)
needed] Digits were represented internally using excess-3 ("XS3") binary-coded decimal (BCD) arithmetic with six bits per digit using the same value as
UNIVAC_I
traditionally had a quinary system, although this had largely been replaced by a decimal system, based on English numbers, by the early 20th century. The History
List_of_numeral_systems
low bits 00000 (to ease collation for space and conversion to/from binary-coded decimal for 0), preventing 0 from lining up with ) (right parenthesis), its
Bit-paired_keyboard
German longwave time signal radio station
months and exceeding the ≤ 30 ns target). The time is represented in binary-coded decimal. It represents civil time, including summer time adjustments. The
DCF77
Dialect of the BASIC programming language
includes an extended floating point implementation using a 14-digit binary-coded decimal (BCD) format made possible using all 16 registers of the Zilog Z80
Atari_BASIC
1980 Hewlett-Packard small scientific desktop computer
standard number representation was a floating point format with a 12-digit (decimal) mantissa and exponents up to ±499. The interpreter supported a full set
HP_Series_80
Portable computer released by IBM in 1975
(Extended Binary Coded Decimal) notation, referred to as PTTC/EBCD in IBM 2741 documentation. EBCD was similar to the more common IBM EBCDIC code, but not
IBM_5100
Method for signed number representation
Offset binary, also referred to as excess-K, excess-N, excess-e, excess code or biased representation, is a method for signed number representation where
Offset_binary
Electromechanical computer built at Harvard University in 1949
16 decimal digits (plus sign), each digit was encoded by four bits, though using a form of encoding that is different to conventional binary-coded decimal
Harvard_Mark_III
Topics referred to by the same term
adjust after addition, one of the Intel BCD opcodes for working with binary-coded decimal .aaa, the American Automobile Association's top-level Internet domain
AAA
4-bit microprocessor
suggested a 4-bit design, as this allowed for direct manipulation of binary-coded decimal (BCD) values used by calculators. Hoff worked on the overall design
Intel_4004
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
Boy/Male
Irish American English
Helpful.
Male
Scandinavian
Scandinavian form of Old Norse Einarr, EINAR means "lone warrior."
Boy/Male
American, Australian, French, German, Greek, Latin, Polish, Swedish
Cheerful; Happy; Joyful; Similar to Hilary
Girl/Female
Hindu
Code
Surname or Lastname
English
English : metonymic occupational name for a maker of purses and bags, from Middle English cod ‘bag’.English : nickname for a man noted for his apparent sexual prowess, from cod(piece), in Tudor times the garment worn prominently over the male genitals.English : from Middle English cod, the fish (of uncertain origin, perhaps a transferred use of 1), applied as a metonymic occupational name for a fisherman or seller of these fish, or possibly as a nickname for someone thought to resemble the fish in some way.Irish : variant of Cody.Irish (County Wexford) : from the Anglo-Saxon personal name Cod.
Female
Turkish
Turkish name PINAR means "spring."
Male
English
Anglicized form of Hebrew Owded, ODED means "restorer." In the bible, this is the name of the father of Azariah, and the name of a prophet who lived in the time of King Ahaz.
Female
English
English pet form of German Belinda, possibly BINDY means "bright serpent" or "bright linden tree."
Boy/Male
Biblical Hebrew
To sustain, hold or lift up.
Male
English
English unisex form of Latin Hilarius and Hilaria, HILARY means "joyful; happy."Â Originally, this was strictly a masculine name.
Female
Hebrew
Variant spelling of Hebrew Bina, BINAH means "intelligence, wisdom."Â
Male
Hindi/Indian
(विनय) Hindi name VINAY means "leading asunder."
Surname or Lastname
English
English : variant spelling of Coad.
Surname or Lastname
English (chiefly South Yorkshire)
English (chiefly South Yorkshire) : topographic name for someone who lived on land enclosed by a bend in a river, from Old English binnan ēa ‘within the river’, or a habitational name from places in Kent called Binney and Binny, which have this origin.Scottish : habitational name from Binney or Binniehill near Falkirk, named in Gaelic as Beinnach, from beinn ‘hill’ + the locative suffix -ach.
Boy/Male
Arabic, Muslim
Rockstar
Boy/Male
Welsh
Dwells in the woods.
Girl/Female
American, Australian, British, English, Irish
Cushion; Helpful
Girl/Female
Tamil
Code
Boy/Male
American, Anglo, Australian, British, English, Irish
Cushion; Helpful; Pillow
Male
Hindi/Indian
Variant spelling of Hindi Vijay, BIJAY means "victory."
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
Biblical
face or vision of God
Boy/Male
Hindu, Indian
Friendship
Female
Czechoslovakian
, downy-cheeked, or, soft-haired.
Boy/Male
Muslim
Servant of the all-preserver
Girl/Female
Bengali, Finnish, Gujarati, Hindu, Indian, Japanese, Sindhi, Tamil
Atom; A Prefix; Tiny Part
Boy/Male
Arabic, Muslim
Slave of the Benefactor
Girl/Female
Arabic, Assamese, Indian, Kannada, Muslim, Tamil
Dust; A Drink; A Drink of Water
Boy/Male
Hindu, Indian
Knowledge
Boy/Male
Hindu
The eye of victory
Girl/Female
Tamil
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
BINARY CODED-DECIMAL
n.
A pale yellow color, like that of a canary bird.
pl.
of Codex
a.
lasting for one day; as, a diary fever.
a.
Of a pale yellowish color; as, Canary stone.
a.
Containing ten; tenfold; proceeding by tens; as, the denary, or decimal, scale.
a.
Relating or belonging to bile; conveying bile; as, biliary acids; biliary ducts.
a.
Of or pertaining to the Canary Islands; as, canary wine; canary birds.
n.
A binary compound of selenium, or a compound regarded as binary; as, ethyl selenide.
a.
Striped or ribbed with cords; as, cloth with a corded surface.
n.
A binary compound of phosphorus.
n.
A canary bird.
n.
A binary compound of zinc.
n.
A binary compound of silicon, or one regarded as binary.
n.
See Finery.
n.
Any system of rules or regulations relating to one subject; as, the medical code, a system of rules for the regulation of the professional conduct of physicians; the naval code, a system of rules for making communications at sea means of signals.
a.
Relating to a codex, or a code.
n.
Wine made in the Canary Islands; sack.
n.
A collection or digest of laws; a code.
a.
Of or pertaining to the urine; as, the urinary bladder; urinary excretions.
v. i.
To perform the canary dance; to move nimbly; to caper.