ES440781A1 - Perfeccionamientos introducidos en una calculadora. - Google Patents

Perfeccionamientos introducidos en una calculadora.

Info

Publication number
ES440781A1
ES440781A1 ES440781A ES440781A ES440781A1 ES 440781 A1 ES440781 A1 ES 440781A1 ES 440781 A ES440781 A ES 440781A ES 440781 A ES440781 A ES 440781A ES 440781 A1 ES440781 A1 ES 440781A1
Authority
ES
Spain
Prior art keywords
control unit
central control
data
line
devices
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
ES440781A
Other languages
English (en)
Spanish (es)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of ES440781A1 publication Critical patent/ES440781A1/es
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1405—Saving, restoring, recovering or retrying at machine instruction level
    • G06F11/141—Saving, restoring, recovering or retrying at machine instruction level for bus or memory accesses
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt
    • G06F13/26—Handling requests for interconnection or transfer for access to input/output bus using interrupt with priority control
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4208—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus
    • G06F13/4217—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Small-Scale Networks (AREA)
  • Bus Control (AREA)
  • Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
  • Selective Calling Equipment (AREA)
ES440781A 1974-09-07 1975-09-06 Perfeccionamientos introducidos en una calculadora. Expired ES440781A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2442990A DE2442990B2 (de) 1974-09-07 1974-09-07 Rechnersystem mit Peripheriegeräten

Publications (1)

Publication Number Publication Date
ES440781A1 true ES440781A1 (es) 1977-04-01

Family

ID=5925189

Family Applications (1)

Application Number Title Priority Date Filing Date
ES440781A Expired ES440781A1 (es) 1974-09-07 1975-09-06 Perfeccionamientos introducidos en una calculadora.

Country Status (14)

Country Link
JP (1) JPS5152746A (xx)
AT (1) AT353038B (xx)
AU (1) AU504399B2 (xx)
BE (1) BE833144A (xx)
BR (1) BR7505755A (xx)
CA (1) CA1041215A (xx)
CH (1) CH600433A5 (xx)
DE (1) DE2442990B2 (xx)
ES (1) ES440781A1 (xx)
FR (1) FR2331093A1 (xx)
GB (1) GB1514956A (xx)
IT (1) IT1042340B (xx)
NL (1) NL7510369A (xx)
SE (1) SE411598B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52137222A (en) * 1976-05-12 1977-11-16 Hitachi Ltd Interface system
US4667321A (en) * 1983-11-14 1987-05-19 Tandem Computers Incorporated Input-output multiplexer-demultiplexer communications channel

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3372378A (en) * 1964-04-27 1968-03-05 Ibm Input/output unit switch

Also Published As

Publication number Publication date
BE833144A (fr) 1976-03-05
SE7509931L (sv) 1976-03-08
NL7510369A (nl) 1976-03-09
GB1514956A (en) 1978-06-21
AU504399B2 (en) 1979-10-11
ATA687875A (de) 1979-03-15
DE2442990A1 (de) 1976-03-25
IT1042340B (it) 1980-01-30
BR7505755A (pt) 1976-08-03
AT353038B (de) 1979-10-25
SE411598B (sv) 1980-01-14
FR2331093B1 (xx) 1978-07-28
CA1041215A (en) 1978-10-24
DE2442990B2 (de) 1978-03-23
CH600433A5 (xx) 1978-06-15
AU8463875A (en) 1977-03-17
FR2331093A1 (fr) 1977-06-03
JPS5152746A (xx) 1976-05-10

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