FR1338794A - Two-stage computing unit - Google Patents

Two-stage computing unit

Info

Publication number
FR1338794A
FR1338794A FR914867A FR914867A FR1338794A FR 1338794 A FR1338794 A FR 1338794A FR 914867 A FR914867 A FR 914867A FR 914867 A FR914867 A FR 914867A FR 1338794 A FR1338794 A FR 1338794A
Authority
FR
France
Prior art keywords
computing unit
stage computing
stage
unit
computing
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
FR914867A
Other languages
French (fr)
Inventor
Guenter Hotz
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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
Priority claimed from DET21135A external-priority patent/DE1184125B/en
Application filed by Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Priority to FR914867A priority Critical patent/FR1338794A/en
Application granted granted Critical
Publication of FR1338794A publication Critical patent/FR1338794A/en
Expired legal-status Critical Current

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
    • G06F7/495—Adding; Subtracting in digit-serial fashion, i.e. having a single digit-handling circuit treating all denominations after each other
    • 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
    • G06F2207/491—Indexing scheme relating to groups G06F7/491 - G06F7/4917
    • G06F2207/4919—Using excess-3 code, i.e. natural BCD + offset of 3, rendering the code symmetrical within the series of 16 possible 4 bit values
FR914867A 1961-11-17 1962-11-09 Two-stage computing unit Expired FR1338794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR914867A FR1338794A (en) 1961-11-17 1962-11-09 Two-stage computing unit

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DET21135A DE1184125B (en) 1961-11-17 1961-11-17 Two-stage arithmetic unit
FR914867A FR1338794A (en) 1961-11-17 1962-11-09 Two-stage computing unit

Publications (1)

Publication Number Publication Date
FR1338794A true FR1338794A (en) 1963-09-27

Family

ID=25999558

Family Applications (1)

Application Number Title Priority Date Filing Date
FR914867A Expired FR1338794A (en) 1961-11-17 1962-11-09 Two-stage computing unit

Country Status (1)

Country Link
FR (1) FR1338794A (en)

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