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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ICL 2900 series canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4569004 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ICL 2900 series Context triple: [International Computers Limited, product, ICL 2900 series]
-
A.
ICL 1900 series
The ICL 1900 series was a family of mainframe computers introduced in the 1960s that became a cornerstone of British computing in business, government, and education.
-
B.
ICL Series 39
ICL Series 39 is a family of mainframe computer systems developed by International Computers Limited in the 1980s, known for supporting the VME operating system and used primarily in commercial and governmental data processing.
-
C.
Efficeon
Efficeon is a family of low-power, x86-compatible microprocessors developed by Transmeta as the successor to its Crusoe line, aimed primarily at mobile and embedded computing devices.
-
D.
Pella 350 Series
Pella 350 Series is a premium line of energy-efficient vinyl windows and patio doors known for their durability, performance, and enhanced design features.
-
E.
Opti
Opti is a friendly, futuristic robot character that served as one of the official mascots of Expo 2020 Dubai.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ICL 2900 series Target entity description: 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.
-
A.
ICL 1900 series
The ICL 1900 series was a family of mainframe computers introduced in the 1960s that became a cornerstone of British computing in business, government, and education.
-
B.
ICL Series 39
ICL Series 39 is a family of mainframe computer systems developed by International Computers Limited in the 1980s, known for supporting the VME operating system and used primarily in commercial and governmental data processing.
-
C.
Efficeon
Efficeon is a family of low-power, x86-compatible microprocessors developed by Transmeta as the successor to its Crusoe line, aimed primarily at mobile and embedded computing devices.
-
D.
Pella 350 Series
Pella 350 Series is a premium line of energy-efficient vinyl windows and patio doors known for their durability, performance, and enhanced design features.
-
E.
Opti
Opti is a friendly, futuristic robot character that served as one of the official mascots of Expo 2020 Dubai.
- F. None of above. chosen
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 ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ICL 2900 series Description of subject: 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.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.