GB1289692A - - Google Patents

Info

Publication number
GB1289692A
GB1289692A GB1289692DA GB1289692A GB 1289692 A GB1289692 A GB 1289692A GB 1289692D A GB1289692D A GB 1289692DA GB 1289692 A GB1289692 A GB 1289692A
Authority
GB
United Kingdom
Prior art keywords
data
main memory
channel
descriptors
transfer
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 GB1289692A publication Critical patent/GB1289692A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14Handling requests for interconnection or transfer
    • G06F13/20Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
GB1289692D 1969-12-01 1969-12-01 Expired GB1289692A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5865969 1969-12-01

Publications (1)

Publication Number Publication Date
GB1289692A true GB1289692A (https=) 1972-09-20

Family

ID=10482125

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1289692D Expired GB1289692A (https=) 1969-12-01 1969-12-01

Country Status (1)

Country Link
GB (1) GB1289692A (https=)

Similar Documents

Publication Publication Date Title
GB1372228A (en) Communication among computers
US3351919A (en) Data recording and error detection system
US3800287A (en) Data processing system having automatic interrupt identification technique
US4604682A (en) Buffer system for interfacing an intermittently accessing data processor to an independently clocked communications system
GB1349999A (en) Autonomous multiple-path input/output control system
GB1449391A (en) Multirequest grouping computer interface
GB1172494A (en) Improvements in and relating to digital computer systems
GB1061460A (en) Data transfer apparatus
GB1108804A (en) Improvements relating to electronic data processing systems
GB1283445A (en) Data communication system
US3848233A (en) Method and apparatus for interfacing with a central processing unit
US4611275A (en) Time sharing device for access to a main memory through to a single bus connected between a central computer and a plurality of peripheral computers
GB1093105A (en) Data processing system
GB1366402A (en) Inhibit gate with applications
GB1485667A (en) Data transmission system
GB1336981A (en) Digital electric information processing system
US3245043A (en) Message communication systems with interstation information storage and transmission
US3764981A (en) System for transmitting 1-bit information having priority level
US3456244A (en) Data terminal with priority allocation for input-output devices
GB1415021A (en) Communication line multiplexing apparatus
US3719930A (en) One-bit data transmission system
GB1289692A (https=)
GB1343243A (en) Data processing system
GB904334A (en) Improvements in or relating to data handling equipment
ES457007A1 (es) Un sistema de elaboracion de datos.

Legal Events

Date Code Title Description
PS Patent sealed
427B Order made restoring the patent (sect. 27/1949)
PCNP Patent ceased through non-payment of renewal fee