FR1424317A - Parity check in an automatically addressed data memory - Google Patents

Parity check in an automatically addressed data memory

Info

Publication number
FR1424317A
FR1424317A FR5146A FR5146A FR1424317A FR 1424317 A FR1424317 A FR 1424317A FR 5146 A FR5146 A FR 5146A FR 5146 A FR5146 A FR 5146A FR 1424317 A FR1424317 A FR 1424317A
Authority
FR
France
Prior art keywords
data memory
parity check
addressed data
automatically addressed
automatically
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
FR5146A
Other languages
French (fr)
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
Priority claimed from GB627364A external-priority patent/GB1038704A/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to FR5146A priority Critical patent/FR1424317A/en
Application granted granted Critical
Publication of FR1424317A publication Critical patent/FR1424317A/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
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/28—Error detection; Error correction; Monitoring by checking the correct order of processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/22—Microcontrol or microprogram arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/22—Microcontrol or microprogram arrangements
    • G06F9/26—Address formation of the next micro-instruction ; Microprogram storage or retrieval arrangements
    • G06F9/262—Arrangements for next microinstruction selection
    • G06F9/264—Microinstruction selection based on results of processing
FR5146A 1964-02-14 1965-02-11 Parity check in an automatically addressed data memory Expired FR1424317A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR5146A FR1424317A (en) 1964-02-14 1965-02-11 Parity check in an automatically addressed data memory

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB627364A GB1038704A (en) 1964-02-14 1964-02-14 A self-addressed data store
FR5146A FR1424317A (en) 1964-02-14 1965-02-11 Parity check in an automatically addressed data memory

Publications (1)

Publication Number Publication Date
FR1424317A true FR1424317A (en) 1966-01-07

Family

ID=26161965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR5146A Expired FR1424317A (en) 1964-02-14 1965-02-11 Parity check in an automatically addressed data memory

Country Status (1)

Country Link
FR (1) FR1424317A (en)

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