ICL 2900 series
E454892
The ICL 2900 series was a family of mainframe computers introduced in the 1970s by International Computers Limited, notable for its advanced architecture and use in large-scale commercial and governmental computing.
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
computer architecture
ⓘ
mainframe computer family ⓘ |
| architectureType |
stack-based architecture
ⓘ
word-addressed architecture ⓘ |
| compatibleWith | ICL 1900 series (via emulation) ⓘ |
| competedWith |
Honeywell mainframes
NERFINISHED
ⓘ
IBM System/370 NERFINISHED ⓘ ICL 1900 series (during transition period) NERFINISHED ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designedFor |
batch processing
ⓘ
multi-user time-sharing ⓘ |
| designGoal |
backward compatibility with earlier ICL systems
ⓘ
language independence ⓘ |
| hardwareImplementation |
LSI technology (later models)
ⓘ
discrete logic (early models) ⓘ |
| influenced | ICL VME operating system design ⓘ |
| instructionSetDesign | high-level language oriented ⓘ |
| instructionSetFamily | 2900 architecture instruction set ⓘ |
| introduced | 1974 ⓘ |
| introducedInDecade | 1970s ⓘ |
| lifecycleStatus | discontinued ⓘ |
| manufacturer | International Computers Limited NERFINISHED ⓘ |
| marketedAs | ICL 2900 Range NERFINISHED ⓘ |
| marketRegion |
Commonwealth countries
ⓘ
Europe NERFINISHED ⓘ |
| memoryType |
core memory (early models)
ⓘ
semiconductor memory (later models) ⓘ |
| notableFeature |
microprogrammed control
ⓘ
rich set of protection rings ⓘ single architecture spanning a wide performance range ⓘ support for high-level language compilers ⓘ |
| operatingSystem |
VME
NERFINISHED
ⓘ
VME/B ⓘ VME/K ⓘ |
| partOf | history of British computing industry ⓘ |
| predecessor | ICL 1900 series NERFINISHED ⓘ |
| primaryApplicationDomain |
commercial data processing
ⓘ
government computing ⓘ large-scale transaction processing ⓘ |
| successor | ICL Series 39 NERFINISHED ⓘ |
| supports |
hardware-based protection mechanisms
ⓘ
multi-processing (on some models) ⓘ multiprogramming ⓘ paging ⓘ segmentation ⓘ virtual memory ⓘ |
| usedBy |
UK government departments
ⓘ
financial institutions ⓘ large commercial enterprises ⓘ |
| wordSize | 32-bit ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.