GB946777A - Improvements in and relating to automatic computers - Google Patents

Improvements in and relating to automatic computers

Info

Publication number
GB946777A
GB946777A GB2899560A GB2899560A GB946777A GB 946777 A GB946777 A GB 946777A GB 2899560 A GB2899560 A GB 2899560A GB 2899560 A GB2899560 A GB 2899560A GB 946777 A GB946777 A GB 946777A
Authority
GB
United Kingdom
Prior art keywords
word
output
register
aug
indicates
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
GB2899560A
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.)
NEC Corp
Original Assignee
Nippon Electric Co Ltd
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB946777A publication Critical patent/GB946777A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

946,777. Digital electric calculating apparatus. NIPPON ELECTRIC CO. Ltd. Aug. 22,1960 [Aug. 20, 1959], No. 28995/60. Heading G4A. In an output operation a register normally used for other purposes is put into a loop circuit through which the output word is passed, transmission to output equipment being effected simultaneously and the end of the word being indicated without the insertion of an additional signal. A word to be transmitted is stored in memory MEM, an input/output register I/O R is cleared and a counter M/Q count normally used for storing a multiplier or quotient is put into the loop. Excess-3 code is used but 0000 indicates S or the end of a word. Initially therefore the register I/O R stores S. As each digit is sent from I/O R to M/Q count it is also sent to input/output equipment I/O M. Therefore when the signal S completes a circuit it indicates the end of a word.
GB2899560A 1959-08-20 1960-08-22 Improvements in and relating to automatic computers Expired GB946777A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2685559 1959-08-20

Publications (1)

Publication Number Publication Date
GB946777A true GB946777A (en) 1964-01-15

Family

ID=12204875

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2899560A Expired GB946777A (en) 1959-08-20 1960-08-22 Improvements in and relating to automatic computers

Country Status (1)

Country Link
GB (1) GB946777A (en)

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