FR1437737A - Calculatrice numérique électronique - Google Patents

Calculatrice numérique électronique

Info

Publication number
FR1437737A
FR1437737A FR12560A FR12560A FR1437737A FR 1437737 A FR1437737 A FR 1437737A FR 12560 A FR12560 A FR 12560A FR 12560 A FR12560 A FR 12560A FR 1437737 A FR1437737 A FR 1437737A
Authority
FR
France
Prior art keywords
electronic digital
digital calculator
calculator
electronic
digital
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
FR12560A
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.)
NCR Voyix Corp
National Cash Register Co
Original Assignee
NCR Corp
National Cash Register Co
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 US360271A external-priority patent/US3334333A/en
Application filed by NCR Corp, National Cash Register Co filed Critical NCR Corp
Priority to FR12560A priority Critical patent/FR1437737A/fr
Application granted granted Critical
Publication of FR1437737A publication Critical patent/FR1437737A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/16—Handling requests for interconnection or transfer for access to memory bus
    • G06F13/18—Handling requests for interconnection or transfer for access to memory bus based on priority control
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/285—Halt processor DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
FR12560A 1964-04-16 1965-04-09 Calculatrice numérique électronique Expired FR1437737A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR12560A FR1437737A (fr) 1964-04-16 1965-04-09 Calculatrice numérique électronique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US360271A US3334333A (en) 1964-04-16 1964-04-16 Memory sharing between computer and peripheral units
FR12560A FR1437737A (fr) 1964-04-16 1965-04-09 Calculatrice numérique électronique

Publications (1)

Publication Number Publication Date
FR1437737A true FR1437737A (fr) 1966-05-06

Family

ID=26163010

Family Applications (1)

Application Number Title Priority Date Filing Date
FR12560A Expired FR1437737A (fr) 1964-04-16 1965-04-09 Calculatrice numérique électronique

Country Status (1)

Country Link
FR (1) FR1437737A (fr)

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