GB1228550A - - Google Patents

Info

Publication number
GB1228550A
GB1228550A GB1228550DA GB1228550A GB 1228550 A GB1228550 A GB 1228550A GB 1228550D A GB1228550D A GB 1228550DA GB 1228550 A GB1228550 A GB 1228550A
Authority
GB
United Kingdom
Prior art keywords
interrupt
unit
signal
level
line
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
Other languages
English (en)
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 filed Critical
Publication of GB1228550A publication Critical patent/GB1228550A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
GB1228550D 1969-04-30 1969-04-30 Expired GB1228550A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2195469 1969-04-30

Publications (1)

Publication Number Publication Date
GB1228550A true GB1228550A (enExample) 1971-04-15

Family

ID=10171550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228550D Expired GB1228550A (enExample) 1969-04-30 1969-04-30

Country Status (2)

Country Link
BE (1) BE749770A (enExample)
GB (1) GB1228550A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234407A1 (de) * 1971-09-25 1973-03-29 Ibm Steuereinheit fuer digitale datenverarbeitungsanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234407A1 (de) * 1971-09-25 1973-03-29 Ibm Steuereinheit fuer digitale datenverarbeitungsanlagen

Also Published As

Publication number Publication date
BE749770A (fr) 1970-10-30

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Legal Events

Date Code Title Description
PS Patent sealed
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee