GB1354090A - Peripheral units for data processing systems and data processing systems incorporating the same - Google Patents
Peripheral units for data processing systems and data processing systems incorporating the sameInfo
- Publication number
- GB1354090A GB1354090A GB2661773A GB1354090DA GB1354090A GB 1354090 A GB1354090 A GB 1354090A GB 2661773 A GB2661773 A GB 2661773A GB 1354090D A GB1354090D A GB 1354090DA GB 1354090 A GB1354090 A GB 1354090A
- Authority
- GB
- United Kingdom
- Prior art keywords
- data processing
- processing systems
- same
- peripheral units
- incorporating
- 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
Links
Classifications
-
- 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
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
-
- 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
-
- 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
- G06F13/36—Handling requests for interconnection or transfer for access to common bus or bus system
- G06F13/368—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control
- G06F13/37—Handling requests for interconnection or transfer for access to common bus or bus system with decentralised access control using a physical-position-dependent priority, e.g. daisy chain, round robin or token passing
-
- 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
- G06F13/4213—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being a system bus, e.g. VME bus, Futurebus, Multibus with asynchronous protocol
-
- 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
- G06F9/44—Arrangements for executing specific programs
- G06F9/448—Execution paradigms, e.g. implementations of programming paradigms
- G06F9/4482—Procedural
- G06F9/4484—Executing subprograms
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Emergency Protection Circuit Devices (AREA)
- Hardware Redundancy (AREA)
- Multi Processors (AREA)
Abstract
1354090 Digital computers DIGITAL EQUIPMENT CORP 19 April 1971 [1 April 1970] 26617/73 Divided out of 1353995 Heading G4A The disclosure is the same as that of the parent Specification 1,353,995 and also Specification 1,354,089. The claims are directed to a peripheral unit.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US2463670A | 1970-04-01 | 1970-04-01 | |
GB2597171*#A GB1353995A (en) | 1970-04-01 | 1971-04-19 | Data processing system |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1354090A true GB1354090A (en) | 1974-06-05 |
Family
ID=26257978
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2661673A Expired GB1354089A (en) | 1970-04-01 | 1971-04-19 | Data processing system |
GB2661773A Expired GB1354090A (en) | 1970-04-01 | 1971-04-19 | Peripheral units for data processing systems and data processing systems incorporating the same |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2661673A Expired GB1354089A (en) | 1970-04-01 | 1971-04-19 | Data processing system |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB1354089A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3972023A (en) * | 1974-12-30 | 1976-07-27 | International Business Machines Corporation | I/O data transfer control system |
-
1971
- 1971-04-19 GB GB2661673A patent/GB1354089A/en not_active Expired
- 1971-04-19 GB GB2661773A patent/GB1354090A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1354089A (en) | 1974-06-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PE20 | Patent expired after termination of 20 years |