NL7601785A - Meer-cijferig rekenorgaan. - Google Patents

Meer-cijferig rekenorgaan.

Info

Publication number
NL7601785A
NL7601785A NL7601785A NL7601785A NL7601785A NL 7601785 A NL7601785 A NL 7601785A NL 7601785 A NL7601785 A NL 7601785A NL 7601785 A NL7601785 A NL 7601785A NL 7601785 A NL7601785 A NL 7601785A
Authority
NL
Netherlands
Prior art keywords
calculator
Prior art date
Application number
NL7601785A
Other languages
English (en)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7601785A priority Critical patent/NL7601785A/nl
Priority to DE2705989A priority patent/DE2705989C2/de
Priority to US05/769,414 priority patent/US4139894A/en
Priority to GB776895A priority patent/GB1541961A/en
Priority to FR7705032A priority patent/FR2341896A1/fr
Priority to JP1824977A priority patent/JPS52116032A/ja
Publication of NL7601785A publication Critical patent/NL7601785A/nl

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/50—Adding; Subtracting
    • G06F7/505—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination
    • G06F7/506—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination with simultaneous carry generation for, or propagation over, two or more stages
    • G06F7/507—Adding; Subtracting in bit-parallel fashion, i.e. having a different digit-handling circuit for each denomination with simultaneous carry generation for, or propagation over, two or more stages using selection between two conditionally calculated carry or sum values
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F7/57—Arithmetic logic units [ALU], i.e. arrangements or devices for performing two or more of the operations covered by groups G06F7/483 – G06F7/556 or for performing logical operations
    • G06F7/575—Basic arithmetic logic units, i.e. devices selectable to perform either addition, subtraction or one of several logical operations, using, at least partially, the same circuitry
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/38—Indexing scheme relating to groups G06F7/38 - G06F7/575
    • G06F2207/3804—Details
    • G06F2207/386—Special constructional features
    • G06F2207/3876—Alternation of true and inverted stages
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2207/00—Indexing scheme relating to methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F2207/492—Indexing scheme relating to groups G06F7/492 - G06F7/496
    • G06F2207/4924—Digit-parallel adding or subtracting
NL7601785A 1976-02-23 1976-02-23 Meer-cijferig rekenorgaan. NL7601785A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL7601785A NL7601785A (nl) 1976-02-23 1976-02-23 Meer-cijferig rekenorgaan.
DE2705989A DE2705989C2 (de) 1976-02-23 1977-02-12 Schaltungsanordnung zum parallelen Addieren oder Subtrahieren von mindestens zwei Eingangszahlen
US05/769,414 US4139894A (en) 1976-02-23 1977-02-17 Multi-digit arithmetic logic circuit for fast parallel execution
GB776895A GB1541961A (en) 1976-02-23 1977-02-18 Multi-digit arithmetic device
FR7705032A FR2341896A1 (fr) 1976-02-23 1977-02-22 Organes de calcul a plusieurs chiffres
JP1824977A JPS52116032A (en) 1976-02-23 1977-02-23 Parallel arithmetic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7601785A NL7601785A (nl) 1976-02-23 1976-02-23 Meer-cijferig rekenorgaan.

Publications (1)

Publication Number Publication Date
NL7601785A true NL7601785A (nl) 1977-08-25

Family

ID=19825662

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7601785A NL7601785A (nl) 1976-02-23 1976-02-23 Meer-cijferig rekenorgaan.

Country Status (6)

Country Link
US (1) US4139894A (nl)
JP (1) JPS52116032A (nl)
DE (1) DE2705989C2 (nl)
FR (1) FR2341896A1 (nl)
GB (1) GB1541961A (nl)
NL (1) NL7601785A (nl)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5892036A (ja) * 1981-11-27 1983-06-01 Toshiba Corp 加算回路
US4638449A (en) * 1983-06-15 1987-01-20 International Business Machines Corporation Multiplier architecture
DE3323607A1 (de) * 1983-06-30 1985-01-03 Siemens AG, 1000 Berlin und 8000 München Digitales rechenwerk
US4644489A (en) * 1984-02-10 1987-02-17 Prime Computer, Inc. Multi-format binary coded decimal processor with selective output formatting
EP0188458A1 (en) * 1984-07-30 1986-07-30 KUMARASENA, Arya, Keerthi The multi input fast adder
JPS6149233A (ja) * 1984-08-17 1986-03-11 Nec Corp 高速デジタル加減算回路
US5596763A (en) * 1993-11-30 1997-01-21 Texas Instruments Incorporated Three input arithmetic logic unit forming mixed arithmetic and boolean combinations
US7299254B2 (en) * 2003-11-24 2007-11-20 International Business Machines Corporation Binary coded decimal addition
US9258314B1 (en) * 2013-03-15 2016-02-09 Google Inc. Detection of anomalous instances through dynamic feature selection analysis

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3100835A (en) * 1960-01-06 1963-08-13 Ibm Selecting adder
FR1390009A (fr) * 1963-04-19 1965-02-19 Philips Nv Machine à calculer constituée principalement par une matrice-mémoire avec un appareillage accessoire
US3316393A (en) * 1965-03-25 1967-04-25 Honeywell Inc Conditional sum and/or carry adder
US3553446A (en) * 1966-08-04 1971-01-05 Honeywell Inc Carry determination logic
DE1549530A1 (de) * 1967-06-06 1971-03-04 Siemens Ag Schaltungsanordnung zum Addieren und Subtrahieren
JPS5612898B2 (nl) * 1973-05-14 1981-03-25
JPS5047532A (nl) * 1973-08-27 1975-04-28
US3993891A (en) * 1975-07-03 1976-11-23 Burroughs Corporation High speed parallel digital adder employing conditional and look-ahead approaches

Also Published As

Publication number Publication date
DE2705989A1 (de) 1977-08-25
FR2341896A1 (fr) 1977-09-16
JPS52116032A (en) 1977-09-29
US4139894A (en) 1979-02-13
GB1541961A (en) 1979-03-14
DE2705989C2 (de) 1986-09-11
FR2341896B1 (nl) 1983-09-23

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Legal Events

Date Code Title Description
BV The patent application has lapsed