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| | Binary-coded decimal - Wikipedia, the free encyclopedia |
 | | 9 (1001) + 6 (0110) = 15 (1111) in binary. | | | In the Decimal Architecture IBM 7070, IBM 7072, and IBM 7074 alphamerics were encoded using digit pairs (using two-out-of-five code in the digits, not BCD) of the 10-digit word, with the "zone" in the left digit and the "digit" in the right digit. | | | Binary-coded decimal (BCD) is, after character encodings, the most common way of encoding decimal digits in computing and in electronic systems. |
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http://en.wikipedia.org/wiki/Binary-coded_decimal
(1233 words)
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| | BCD - Binary-Coded Decimal |
| | Binary Coded Decimal is a binary numbering system in which the decimal digits from 0 to 9 are represented by a four bit binary number. | | | Positional notation in which the individual decimal digits expressing a number in decimal notation are each represented by a binary numeral, eg., the number twenty-three is represented by 0010, 0011 in the 8-4-2-1 type of binary coded decimal notation and by 10111 in binary notation. | | | A coding system in which each decimal digit from 0 to 9 is represented by a 4-digit binary number. |
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http://www.auditmypc.com/acronym/BCD.asp
(507 words)
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| | High-Tech Dictionary Definition |
| | (BCD).A binary-coded notation in which each of the decimal digits is expressed as a binary numeral; for example, in binary-coded decimal notation 12 is 0001 0010, as opposed to 1100 in pure binary. |
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http://www.computeruser.com/resources/dictionary/definition.html?lookup=918
(33 words)
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| | Number Systems |
| | BCD usually refers to such coding in which the binary digits have their normal values, i.e., 8421. | | | One of the most widely used representations of numerical data is the binary coded decimal (BCD) form in which each integer of a decimal number is represented by a 4-bit binary number (see conversion table). | | | There are several codes which use binary numbers to code for single digits in multi-digit decimal numbers. |
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http://hyperphysics.phy-astr.gsu.edu/hbase/electronic/number3.html
(298 words)
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| | Binary Coded Decimal - BCD |
| | However, in binary, 25 is represented as 11001. | | | Short for Binary Coded Decimal, BCD is also known as packet decimal and is numbers 0 through 9 converted to four digit binary. | | | Below is a table of the decimal numbers 0 through 9 and the binary conversion. |
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http://www.computerhope.com/jargon/b/bcd.htm
(74 words)
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| | Intuitor: How to count to 1,023 on your fingers |
| | Binary Coded Decimal (BCD) is a type of numerical representation wherein each digit of a decimal number is represented by a four-digit binary number. | | | Counting in base sixteen or hexadecimal is similar to counting in binary coded decimal. | | | Counting in binary (or base two) is truly a skill to master. |
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http://www.intuitor.com/counting
(506 words)
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| | Binary Clock |
| | But this is actually a binary coded decimal 9 since only values from 0 to 9 are used 0000 to 1001. | | | Binary digits have only two values (0 and 1) so a number written in binary would be something like 1001 or 0011, which represents decimal numbers 9 and 3 respectively. | | | For example, the binary number 1001 would have a decimal value of 8+0+0+1 = 9. |
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http://ourworld.compuserve.com/homepages/Bill_Bowden/clock.htm
(939 words)
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| | Binary-coded decimal |
| | Binary-coded decimal, or BCD, is a method of using binary digits to represent the decimal digits 0 through 9. | | | You should note in the table above that the BCD coding is the binary equivalent of the decimal digit. | | | Each decimal digit is converted to its binary equivalent. |
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http://www.tpub.com/neets/book13/53s.htm
(451 words)
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| | Binary coded decimal |
| | coded decimal dewey decimal decimal system visual basic decimal dewey decimal system binary binary conversion binary arts binary calculator binary clock binary code binary translator | | | The Formation of Binary Stars Recent observational investigations of the frequency of occurrence of pre-main-sequence binary stars have reinforced earlier suspicions that binary formation is the primary branch of the star-formation process | | | Utilities for Programmers A couple of Tcl/Tk based utilities, one to convert numbers between decimal, hexadecimal, octal and binary forms and another to determine which bits are set in a hexadecimal value. |
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http://www.serebella.com/encyclopedia/article-Binary_coded_decimal.html
(372 words)
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| | Fast binary coded decimal incrementing circuit - Patent 4256954 |
| | Sampling means are coupled to the shift register at a point whereby the most significant bit of a binary coded decimal digit is outputted therefrom when the least significant bit of the same binary coded decimal digit is being outputted from the output of the memory. | | | (i) the binary coded decimal digit being outputted from said memory is equivalent to a decimal nine, and | | | An incrementing and binary coded decimal corrector circuit for incrementing and for automatically binary coded decimal correcting in response to a control signal a number stored as a series of bits representing a plurality of binary coded decimal digits in a memory having an output, said circuit comprising: |
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http://www.freepatentsonline.com/4256954.html
(5522 words)
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| | BCD (Binary Coded Decimal) Number System |
| | This system is called Binary Coded Decimal or BCD which also occupies a nibble. | | | You merely assign each digit of the decimal number to a byte and convert 0 through 9 to 0000 0000 through 0000 1001, but you cannot perform the repeated division by 2 as you did to convert decimal to binary. | | | BCD is still a weighted position number system so you may perform mathematics, but we must use special techniques in order to obtain a correct answer. |
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http://www.danbbs.dk/~erikoest/bcd.htm
(1134 words)
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| | The SNIPPETS C collection - file: BCDD.DOC |
| | Binary coded decimal values are typically data downloaded from a mainframe type computer. | | | SYNOPSIS: #include "toolbox.h" int double_to_bcd(double arg, char *buf, unsigned len, unsigned digits); DESCRIPTION: The double_to_bcd() function converts a numeric value of type double to a signed binary coded decimal format used by IBM mainframe computers. | | | This value is specified by the manifest constant DBL_DIG in the standard header file float.h. |
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http://c.snippets.org/snip_lister.php?fname=bcdd.doc
(295 words)
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| | 17.6 Binary Coded Decimal Fixed Point Types |
| | The name of any data type stored and manipulated in decimal digits at the binary level is binary coded decimal or BCD for short. | | | The code for arithmetic operations will now be considerably more complicated, because the decimal place has to be taken into consideration each time, and each operand can have it in a different place. | | | Many computers allow for a switch to be set to tell the nibbles to do their carry in a decimal fashion rather than a hexadecimal fashion. |
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http://www.csc.twu.ca/rsbook/Ch17/Ch17.6.html
(1323 words)
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| | EBCDIC - Wikipedia, the free encyclopedia |
| | EBCDIC (Extended Binary Coded Decimal Interchange Code) is an 8-bit character encoding (code page) used on IBM mainframe operating systems, like z/OS, OS/390, VM and VSE, as well as IBM minicomputer operating systems like OS/400 and i5/OS. | | | EBCDIC was devised in 1963 and 1964 by IBM and was announced with the release of the IBM System/360 line of mainframe computers. | | | It descended from punched cards and the corresponding six bit binary-coded decimal code that most of IBM's computer peripherals of the late 1950s and early 1960s used. |
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http://en.wikipedia.org/wiki/EBCDIC
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| | BCD Instructions in Assembly Language |
| | Binary coded decimal (BCD) is a method for implementing lossless decimal arithmetic (including decimal fractions) on a binary computer. | | | Instead of having separate BCD instructions, the normal binary addition and subtraction instructions are used, then hardware instructions are used to adjust the results to correct BCD results. | | | Decimal digits (0-9) can be encoded in a nibble (half a byte), with some left over bit patterns (hexadecimal A-F). |
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http://www.osdata.com/topic/language/asm/bcdarith.htm
(998 words)
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| | Definition: binary-coded decimal notation |
| | binary-coded decimal (BCD) notation: A binary notation in which each of the decimal digits is represented by a binary numeral. |
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http://www.atis.org/tg2k/_binary-coded_decimal_notation.html
(57 words)
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| | binary-coded decimal Abbreviated BCD simple sysem for |
| | In binary numbers, the largest value that can be stored in a single 8-bit byte is 255, and this obiously represents a severe limitation to storing larger numbers. | | | In BCD, each decimal digit occupies a byte, so three bytes are needed for a three-digit decimal number. | | | A simple sysem for converting decimal numbers into binary form, where each decimal digit is converted into binary and then stored as a single character. |
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http://www.ssiltd.co.uk/glossary/details.asp?item=713
(370 words)
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| | Binary Coded Decimal Numbers |
| | One system for encoding decimal numbers in a form that allows them to be stored on a computer is called binary coded decimal (BCD). | | | Also, there is no roundoff error in BCD coding as there sometimes is in straight binary. | | | More importantly, doing arithmetic with straight binary coding is easier than with BCD coding. |
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http://www.mathsci.appstate.edu/~dap/classes/1100/sect1_2.html
(240 words)
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| | binary coded decimal |
| | A simple system for converting decimal numbers into binary form, in which each decimal digit is converted into binary and then stored as a single character. |
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http://www.coffeycountyks.org/Terms/2461HTML-262.html
(26 words)
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| | More mind-boggling math: Adding and subtracting unsigned BCD - 9/21/2005 - EDN |
| | This is a perfectly legitimate value for a binary addition, but if we are wishing to perform a BCD operation, we would expect to see a result of 2 (that's 0010 in binary) with a carry-out of 1 from the first nybble. | | | The way we obtain the ones complement of a binary value is to subtract it from a value of all 1s. | | | Remembering that each BCD digit can only support values of 0000 to 1001 in binary (0 to 9 in decimal), this means a result greater than 9 will cause a carry-out. |
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http://www.edn.com/article/CA6258681.html?industryid=42873
(1234 words)
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| | Binary Coded Decimal |
| | As the maximum decimal digit that can occur is 9, the largest code that is used in four bits is 1001. | | | In the case of pure binary considerable manipulation is required to convert the number to and from decimal. | | | The advantage of BCD can be seen when you consider input or output of decimal numbers as used on, say, a pocket calculator. |
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http://www.colchsfc.ac.uk/computing/computingnotes/numberrep/bcd.html
(566 words)
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| | Packed Binary Coded Decimal Simulation |
| | Each decimal digit is converted separately to binary, and stored in one nibble. | | | Instead of converting each decimal digit to binary every time we process a digit, the different characters and bit patterns are stored in lists once. | | | This model demonstrates Packed Binary Coded Decimal character coding. |
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http://www.frontiernet.net/~prof_tcarr/BCD/BDC.html
(599 words)
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| | [No title] |
| | A code in which a string of four binary digits (bits) represents a decimal number. | | | For example, incrementing 9 (0000 1001) would result in 10 (0001 0000). | | | A byte can be used to represent 00-99 decimal |
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http://www.homoexcelsior.com/omega.db/datum/computer_science/binary_coded_decimal/5103
(75 words)
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| | Binary Coded Decimal (BCD) Helper Functions |
| | Binary Coded Decimal (BCD) helper functions provide assistance in working with BCD numbers. | | | Two functions are provided: one to convert to a BCD value to a string and vice versa. | | | The number of octets in the resulting BCD value. |
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http://www.obj-sys.com/v55doc/SRC/group__bcdHelper.shtml
(154 words)
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| | binary-coded decimal system |
| | a numerical system in which each decimal digit is represented by a unique collection of binary digits, not necessarily the same as those used in binary notation. |
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http://www.infoplease.com/dictionary/binary-coded+decimal+system
(44 words)
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| | Add Binary Coded Decimal (w/extend) |
| | The addition is performed using binary coded decimal arithmetic. | | | NAME ABCD -- Add binary coded decimal SYNOPSIS ABCD Dy,Dx ABCD -(Ay),-(Ax) Size = (Byte) FUNCTION Adds the source operand to the destination operand along with the extend bit, and stores the result in the destination location. | | | Data register to data register: The operands are contained in the data registers specified in the instruction. |
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http://www.eecg.toronto.edu/~ece253/68KHTML/abcd.html
(217 words)
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| | Extended Binary Coded Decimal Interchange Code from FOLDOC |
| | Extended Binary Coded Decimal Interchange Code from FOLDOC | | | IBM adapted EBCDIC from punched card code early in the 1960s and promulgated it as a customer control tactic (see connector conspiracy). | | | It exists in at least six mutually incompatible versions, all featuring such delights as non-contiguous letter sequences and the absence of serveral punctuation characters fairly important for modern computer languages. |
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http://www.instantweb.com/foldoc/foldoc.cgi?query=EBCDIC
(318 words)
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| | Binary Coded Decimal Arithmetic |
| | The representation we will use is called ``binary coded decimal.'' The idea is, instead of representing a number in binary, we'll represent it as an array of decimal digits. | | | As a last aside, I don't really know whether real calculators as sold today use a BCD representation or a pure binary representation internally. | | | Unless we have an instruction in the instruction set to do it for us - like the DAA (Decimal Adjust A) instruction! |
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http://www.cs.nmsu.edu/~pfeiffer/classes/273/notes/bcd.html
(698 words)
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| | BCD (Binary Coded Decimal) Needs Your Input |
| | One feature that is high on our list is a BCD (binary coded decimal) datatype. | | | Intermediate computation can exceed this value, but final output must not be larger. | | | In order to add BCD, we could use some input from the REBOL community. |
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http://www.rebol.net/article/0151.html
(253 words)
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| | PACK binary coded decimal |
| | NAME PACK -- Pack binary coded decimal (68020+) SYNOPSIS PACK -(Ax),-(Ay),# PACK Dx,Dy,# Size = (Byte, Long) FUNCTION Convert byte-per-digit unpacked BCD to packed two-digit- per-byte BCD. |
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http://www.eecg.toronto.edu/~ece253/68KHTML/pack.html
(160 words)
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| | binary coded decimal from FOLDOC |
| | It is easier to convert decimal numbers to and from BCD than binary and, though BCD is often converted to binary for arithmetic processing, it is possible to build hardware that operates directly on BCD. | | | Nearby terms: Bill Joy « binaries « binary « binary coded decimal » Binary Compatibility Standard » binary counter » binary data | | | (BCD, packed decimal) A number representation where a number is expressed as a sequence of decimal digits and then each decimal digit is encoded as a four-bit binary number (a nibble). |
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http://foldoc.org/?binary+coded+decimal
(112 words)
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| | Extended Binary ... - OneLook Dictionary Search |
| | You can look up the words in the phrase individually using these links: extended binary.. | | | Sorry, no dictionaries indexed in the selected category contain the phrase Extended Binary.. | | | If you're sure it's a word, try doing a general web search for Extended Binary.. |
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http://onelook.com/cgi-bin/cgiwrap/bware/dofind.cgi?word=Extended+Binary+...
(96 words)
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| | Binary Coded Decimal clock |
| | The binary clock depicted here is in fact a binary coded decimal clock, since its digits are coded separately. | | | I would imagine that a binary clock in its most pure form binary clock would contain a single row of sixteen lights, which would count seconds since midnight. | | | I own a binary watch where hours are coded using 5 bits, minutes using 6 bits and seconds using 6 bits. |
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http://www.oreillynet.com/cs/user/view/cs_msg/50539
(233 words)
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| | 4 Bit Binary Coded Decimal (BCD) Clock Display |
| | This converter binary coded decimal clock requires the use of Javascript enabled and capable browsers. | | | 4 Bit Binary Coded Decimal (BCD) Clock Display | | | You may wish to see a full binary clock display only, a simple binary clock display or schematic and instructions on building an LED BCD clock. |
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http://www.csgnetwork.com/binclock.html
(196 words)
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| | Definition: binary-coded decimal |
| | binary-coded decimal (BCD): Pertaining to the representation of a decimal digit by a unique arrangement of no fewer than four binary digits. | | | This HTML version of Telecom Glossary 2K was last generated on Wed May 8 15:36:48 MDT 2002. |
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http://www.its.bldrdoc.gov/projects/devglossary/_binary-coded_decimal.html
(39 words)
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| | Jones on Arithmetic |
| | These tutorials are characterized by an interest in doing arithmetic on machines with just binary add, subtract, logical and shift operators, making no use of special hardware support for such complex operations as BCD arithmetic or multiplication and division. | | | While some of these techniques are old, they remain relevant today. |
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http://www.cs.uiowa.edu/~jones/bcd
(50 words)
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| | 3.1 Binary Coded Decimal (BCD) |
| | We use 10 of the 16 possible combinations when dealing with 4 bits to represent BCD.(Just count to 9 in binary) | | | BCD uses a 4-bit character to represent 0-9. |
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http://www.student.seas.gwu.edu/~cfh/csci135-notes/node23.html
(39 words)
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| | 21.2.4 BCD (Binary Coded Decimal) |
| | For the two bytes above the maximum numbers possible are from 0-9999 in BCD, but 0-64285 in binary. | | | · Convert the following binary number to a BCD number, | | | · Convert the BCD number below to a decimal number, |
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http://www.eod.gvsu.edu/eod/mechtron/mechtron-219.html
(74 words)
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| | CS 105 -- Binary vs. Binary Coded Decimal |
| | CS 105 -- Binary vs. Binary Coded Decimal | | | This page is part of a section of lecture slides related to " Error Detecting Codes " within the topic "Error Detection and Corection". | | | Other slides within this section and other sections of slides for the topic "Error Detection and Corection" can be accessed using the links below. |
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http://www.cs.williams.edu/~cs105/s02/outlines/CS105_458.html
(101 words)
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| | Energy Citations Database (ECD) - Energy and Energy-Related Bibliographic Citations |
| | Availability information may be found in the Availability, Publisher, Research Organization, Resource Relation and/or Author (affiliation information) fields and/or via the "Full-text Availability" link. | | | Energy Citations Database (ECD) Document #4020517 - A DIGITAL COMPARATOR FOR BINARY OR BINARY-CODED DECIMAL NUMBERS | | | For a journal article, please see the Resource Relation field. |
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http://www.osti.gov/energycitations/product.biblio.jsp?osti_id=4020517
(80 words)
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| | hexadecimal, octal, decimal, binary coded decimal, conversions |
| | Now you should see option buttons for Hex, Dec, Oct (Octal), and Bin (Binary). | | | It's free and we throw in the source code! | | | To see a list of our other reference materials click here or one of the buttons in the left hand column. |
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http://www.htservices.com/Reference/NumberSystemConversions
(188 words)
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