GB938188A - Improvements in and relating to electronic computers - Google Patents

Improvements in and relating to electronic computers

Info

Publication number
GB938188A
GB938188A GB34961/60A GB3496160A GB938188A GB 938188 A GB938188 A GB 938188A GB 34961/60 A GB34961/60 A GB 34961/60A GB 3496160 A GB3496160 A GB 3496160A GB 938188 A GB938188 A GB 938188A
Authority
GB
United Kingdom
Prior art keywords
digit
memory
address
location
flag
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
GB34961/60A
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 GB938188A publication Critical patent/GB938188A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/3001—Arithmetic instructions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
    • 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)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Software Systems (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Executing Machine-Instructions (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Complex Calculations (AREA)
GB34961/60A 1959-10-19 1960-10-12 Improvements in and relating to electronic computers Expired GB938188A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US84730659A 1959-10-19 1959-10-19
US77112A US3199085A (en) 1959-10-19 1960-12-20 Computer with table lookup arithmetic unit feature
US334803A US3328767A (en) 1959-10-19 1963-12-31 Compact data lookup tables

Publications (1)

Publication Number Publication Date
GB938188A true GB938188A (en) 1963-10-02

Family

ID=27373026

Family Applications (2)

Application Number Title Priority Date Filing Date
GB34961/60A Expired GB938188A (en) 1959-10-19 1960-10-12 Improvements in and relating to electronic computers
GB48518/64A Expired GB1049689A (en) 1959-10-19 1964-11-30 Improvements in or relating to data processing systems

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB48518/64A Expired GB1049689A (en) 1959-10-19 1964-11-30 Improvements in or relating to data processing systems

Country Status (6)

Country Link
US (2) US3199085A (forum.php)
CH (1) CH417163A (forum.php)
DE (2) DE1171650B (forum.php)
FR (2) FR1278646A (forum.php)
GB (2) GB938188A (forum.php)
NL (3) NL6414628A (forum.php)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL136144C (forum.php) * 1959-10-19 1900-01-01
DE1250659B (de) * 1964-04-06 1967-09-21 International Business Machines Corporation, Armonk, NY (V St A) Mikroprogrammgesteuerte Datenverarbeitungsanlage
US3394350A (en) * 1965-01-14 1968-07-23 Burroughs Corp Digital processor implementation of transfer and translate operation
AT314225B (de) * 1969-05-02 1974-03-25 Internat Business Maschines Co Modulares elektronisches Datenverarbeitungssystem
US3651314A (en) * 1970-01-22 1972-03-21 Allen Bradley Co Feedrate computer using a read only memory
US3917935A (en) * 1974-12-23 1975-11-04 United Technologies Corp Reduction of look-up table capacity
FR2500198B1 (fr) * 1981-02-17 1986-12-05 Efcis Memoire morte a adressage modifie
US4428045A (en) 1981-09-11 1984-01-24 Data General Corporation Apparatus for specifying and resolving addresses of operands in a digital data processing system
US4636973A (en) * 1982-07-21 1987-01-13 Raytheon Company Vernier addressing apparatus
US5214599A (en) * 1986-12-19 1993-05-25 Magerman David M Advanced dimensional processing with division
US5209400A (en) * 1991-03-07 1993-05-11 John M. Winslow Portable calculator for refrigeration heating and air conditioning equipment service
US6829695B1 (en) * 1999-09-03 2004-12-07 Nexql, L.L.C. Enhanced boolean processor with parallel input
US20040225865A1 (en) * 1999-09-03 2004-11-11 Cox Richard D. Integrated database indexing system
CN104395876B (zh) * 2012-07-06 2018-05-08 皇家飞利浦有限公司 没有算术和逻辑单元的计算机处理器和系统

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2473444A (en) * 1944-02-29 1949-06-14 Rca Corp Computing system
NL97202C (forum.php) * 1947-08-14
US2916210A (en) * 1954-07-30 1959-12-08 Burroughs Corp Apparatus for selectively modifying program information
USRE25340E (en) * 1957-06-25 1963-02-26 haynes
US3034720A (en) * 1957-12-26 1962-05-15 Ibm Serial operation of a parallel computer
US3029414A (en) * 1958-08-11 1962-04-10 Honeywell Regulator Co Information handling apparatus
NL136144C (forum.php) * 1959-10-19 1900-01-01
US3196260A (en) * 1961-05-03 1965-07-20 Ibm Adder
US3229078A (en) * 1962-06-29 1966-01-11 Ibm Code converter
NL301901A (forum.php) * 1963-01-30 1900-01-01

Also Published As

Publication number Publication date
NL256940A (forum.php) 1900-01-01
US3199085A (en) 1965-08-03
NL6414628A (forum.php) 1965-07-02
DE1171650B (de) 1964-06-04
US3328767A (en) 1967-06-27
DE1271433B (de) 1968-06-27
FR88601E (fr) 1967-03-03
CH417163A (de) 1966-07-15
FR1278646A (fr) 1961-12-15
NL136144C (forum.php) 1900-01-01
GB1049689A (en) 1966-11-30

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