GB756757A - Serial type binary-decimal adder - Google Patents

Serial type binary-decimal adder

Info

Publication number
GB756757A
GB756757A GB2495/54A GB249554A GB756757A GB 756757 A GB756757 A GB 756757A GB 2495/54 A GB2495/54 A GB 2495/54A GB 249554 A GB249554 A GB 249554A GB 756757 A GB756757 A GB 756757A
Authority
GB
United Kingdom
Prior art keywords
input
adder
binary
digit
positive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2495/54A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB756757A publication Critical patent/GB756757A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/491—Computations with decimal numbers radix 12 or 20.
    • G06F7/492—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination
    • G06F7/493—Computations with decimal numbers radix 12 or 20. using a binary weighted representation within each denomination the representation being the natural binary coded representation, i.e. 8421-code
    • G06F7/494—Adding; Subtracting
    • G06F7/495—Adding; Subtracting in digit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Manipulation Of Pulses (AREA)
  • Measuring Frequencies, Analyzing Spectra (AREA)
  • Analogue/Digital Conversion (AREA)
  • Pulse Circuits (AREA)
GB2495/54A 1953-01-30 1954-01-27 Serial type binary-decimal adder Expired GB756757A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US334256A US2910239A (en) 1953-01-30 1953-01-30 Serial type binary-coded decimal adder

Publications (1)

Publication Number Publication Date
GB756757A true GB756757A (en) 1956-09-12

Family

ID=23306354

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2495/54A Expired GB756757A (en) 1953-01-30 1954-01-27 Serial type binary-decimal adder

Country Status (6)

Country Link
US (1) US2910239A (en:Method)
BE (1) BE526099A (en:Method)
DE (1) DE1032577B (en:Method)
FR (1) FR1097260A (en:Method)
GB (1) GB756757A (en:Method)
NL (1) NL184704B (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201762A (en) * 1957-01-25 1965-08-17 Honeywell Inc Electrical data processing apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2927732A (en) * 1955-10-10 1960-03-08 Marchant Res Inc Electronic computer
DE1126166B (de) * 1959-10-14 1962-03-22 Ibm Serien-Ziffernrechner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB683882A (en) * 1948-07-26 1952-12-10 Nat Res Dev Improvements in or relating to electronic circuits for digital computing systems
GB700007A (en) * 1949-12-22 1953-11-25 Nat Res Dev Digital computing engines
GB678427A (en) * 1951-03-09 1952-09-03 British Tabulating Mach Co Ltd Improvements in electronic adding devices
US2758787A (en) * 1951-11-27 1956-08-14 Bell Telephone Labor Inc Serial binary digital multiplier

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3201762A (en) * 1957-01-25 1965-08-17 Honeywell Inc Electrical data processing apparatus

Also Published As

Publication number Publication date
NL184704B (nl)
US2910239A (en) 1959-10-27
BE526099A (en:Method)
FR1097260A (fr) 1955-07-04
DE1032577B (de) 1958-06-19

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