About: Chen–Ho encoding

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Chen–Ho encoding is a memory-efficient alternate system of binary encoding for decimal digits. The traditional system of binary encoding for decimal digits, known as binary-coded decimal (BCD), uses four bits to encode each digit, resulting in significant wastage of binary data bandwidth (since four bits can store 16 states and are being used to store only 10), even when using packed BCD.

Attributes	Values
rdfs:label	Chen–Ho encoding (en)
rdfs:comment	Chen–Ho encoding is a memory-efficient alternate system of binary encoding for decimal digits. The traditional system of binary encoding for decimal digits, known as binary-coded decimal (BCD), uses four bits to encode each digit, resulting in significant wastage of binary data bandwidth (since four bits can store 16 states and are being used to store only 10), even when using packed BCD. (en)
sameAs	Chen–Ho encoding
dbp:wikiPageUsesTemplate	dbt:Anchor dbt:Cite_journal dbt:Cite_web dbt:Efn dbt:Notelist dbt:Reflist dbt:Short_description dbt:Use_dmy_dates dbt:Use_list-defined_references dbt:Val dbt:Citeref
Subject	Binary arithmetic
Link from a Wikipage to an external page	https://priorart.ip.com/IPCOM/000092875%23text https://web.archive.org/web/20180711143550/http:/home.kpn.nl/jhm.bonten/computers/bitsandbytes/wordsizes/ibmpde.htm%23dense4 https://web.archive.org/web/20180719213000/https:/patentimages.storage.googleapis.com/98/65/5e/63a98aac4b5184/US3310786.pdf https://web.archive.org/web/20180719213355/https:/patentimages.storage.googleapis.com/6c/e8/d7/c1d354d8c9b947/US3432811.pdf https://web.archive.org/web/20180719214333/https:/patentimages.storage.googleapis.com/f8/84/2b/227f22291c1846/US3445641.pdf https://web.archive.org/web/20180721041840/http:/www.quadibloc.com/crypto/mi060301.htm https://patents.google.com/patent/US3310786A https://patents.google.com/patent/US3432811A https://patents.google.com/patent/US3445641A http://www.quadibloc.com/crypto/mi060301.htm http://home.kpn.nl/jhm.bonten/computers/bitsandbytes/wordsizes/ibmpde.htm%23dense4
gold:hypernym	System
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Chen–Ho_encoding?oldid=1070050950&ns=0
Wikipage page ID	2174079 (xsd:integer)
page length (characters) of wiki page	56442 (xsd:nonNegativeInteger)
Wikipage revision ID	1070050950 (xsd:integer)
Link from a Wikipage to another Wikipage	Floating-point arithmetic Prior art Unicode Binary-coded decimal Binary number Bit field Bit numbering Logic gate Units of information Binary arithmetic Don't-care term Octal Offset binary Positional notation DEC RADIX 50 Decimal Densely packed decimal Huffman coding Prefix code Rockwell International Communications of the ACM Parity bit SQUOZE Gray code IBM IBM 7070 IBM System/370 Model 165 IBM System/370 Model 168 IBM Technical Disclosure Bulletin IEEE 754 IEEE 754-2008 revision Excess-3 Mike Cowlishaw Lookup table Multiple discovery dbr:Frank_Tung dbr:Irving_T._Ho dbr:Tien_Chi_Chen
has abstract	Chen–Ho encoding is a memory-efficient alternate system of binary encoding for decimal digits. The traditional system of binary encoding for decimal digits, known as binary-coded decimal (BCD), uses four bits to encode each digit, resulting in significant wastage of binary data bandwidth (since four bits can store 16 states and are being used to store only 10), even when using packed BCD. The encoding reduces the storage requirements of two decimal digits (100 states) from 8 to 7 bits, and those of three decimal digits (1000 states) from 12 to 10 bits using only simple Boolean transformations avoiding any complex arithmetic operations like a base conversion. (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Chen–Ho_encoding
is Wikipage redirect of	10-bit Chen-Ho encoding 10-bit Chen–Ho encoding 10-bit Hertz encoding 7-bit Chen-Ho encoding 7-bit Chen–Ho encoding 7-bit Hertz encoding Chen's 10-bit encoding Chen's 10 bit encoding Chen's 7-bit encoding Chen's 7 bit encoding Chen's encoding Chen-Ho Chen-Ho algorithm Chen-Ho code Chen-Ho coding Chen-Ho compression algorithm Chen-Ho compression method Chen-Ho compression scheme Chen-Ho decimal data encoding Chen-Ho decimal encoding Chen-Ho decode Chen-Ho decoder Chen-Ho decoding algorithm Chen-Ho decompression algorithm Chen-Ho encode Chen-Ho encoder Chen-Ho encoding Chen-Ho encoding algorithm Chen-Ho encoding method

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