ICL 1900 series
E454376
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ICL 1900 series canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4569003 — 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 1900 series Context triple: [International Computers Limited, product, ICL 1900 series]
-
A.
Optica
Optica is a leading scientific society dedicated to advancing the study and application of optics and photonics worldwide.
-
B.
Opti
Opti is a friendly, futuristic robot character that served as one of the official mascots of Expo 2020 Dubai.
-
C.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
D.
SCL
SCL (Substation Configuration Language) is an XML-based language defined by the IEC 61850 standard for modeling, configuring, and exchanging data about electrical substations and their automation systems.
-
E.
Ulchi Focus Lens
Ulchi Focus Lens was a large-scale annual joint military exercise between the United States and South Korea designed to enhance readiness and coordination in the defense of South Korea.
- 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 1900 series Target entity description: 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.
-
A.
Optica
Optica is a leading scientific society dedicated to advancing the study and application of optics and photonics worldwide.
-
B.
Opti
Opti is a friendly, futuristic robot character that served as one of the official mascots of Expo 2020 Dubai.
-
C.
S-IC
S-IC was the massive first stage of the Saturn V rocket, powered by five F-1 engines to lift Apollo missions off the launch pad and through the lower atmosphere.
-
D.
SCL
SCL (Substation Configuration Language) is an XML-based language defined by the IEC 61850 standard for modeling, configuring, and exchanging data about electrical substations and their automation systems.
-
E.
Ulchi Focus Lens
Ulchi Focus Lens was a large-scale annual joint military exercise between the United States and South Korea designed to enhance readiness and coordination in the defense of South Korea.
- F. None of above. chosen
Statements (63)
| Predicate | Object |
|---|---|
| instanceOf |
computer architecture
ⓘ
mainframe computer family ⓘ |
| addressSpace | 24-bit logical address space ⓘ |
| architectureType |
binary
ⓘ
single-address ⓘ |
| basedOn | ICT 1900 architecture NERFINISHED ⓘ |
| characterEncoding | ICL 1900 6-bit character set NERFINISHED ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| era | third generation computers ⓘ |
| hardwareTechnology |
core memory
ⓘ
discrete transistor logic ⓘ |
| influenced | development of British computing standards ⓘ |
| instructionSet | ICL 1900 instruction set NERFINISHED ⓘ |
| introduced |
1960s
ⓘ
1964 ⓘ |
| iODevices |
disc drives
ⓘ
line printers ⓘ magnetic tape drives ⓘ punched card readers ⓘ |
| manufacturer | International Computers Limited NERFINISHED ⓘ |
| market |
British computing market
ⓘ
European computing market ⓘ |
| notableModel |
ICL 1901
NERFINISHED
ⓘ
ICL 1902 NERFINISHED ⓘ ICL 1903 NERFINISHED ⓘ ICL 1904 NERFINISHED ⓘ ICL 1905 NERFINISHED ⓘ ICL 1906 NERFINISHED ⓘ ICL 1907 NERFINISHED ⓘ ICL 1909 NERFINISHED ⓘ |
| notableSite |
UK Atomic Energy Authority
NERFINISHED
ⓘ
University of London Computer Centre NERFINISHED ⓘ |
| operatingSystem |
E4BM
ⓘ
EXECUTE ⓘ GEORGE 2 NERFINISHED ⓘ GEORGE 3 NERFINISHED ⓘ GEORGE 4 NERFINISHED ⓘ JOSS NERFINISHED ⓘ MAXIMOP NERFINISHED ⓘ MINIMOP NERFINISHED ⓘ |
| predecessor | ICT 1900 series NERFINISHED ⓘ |
| primaryUse |
business data processing
ⓘ
education ⓘ government computing ⓘ scientific computing ⓘ |
| status | discontinued ⓘ |
| successor | ICL 2900 series NERFINISHED ⓘ |
| supportedLanguage |
ALGOL
NERFINISHED
ⓘ
COBOL NERFINISHED ⓘ FORTRAN NERFINISHED ⓘ JOVIAL ⓘ PLAN ⓘ RPG ⓘ assembler ⓘ |
| supports |
batch processing
ⓘ
multiprogramming ⓘ time-sharing (on some models) ⓘ |
| usedIn |
British government departments
ⓘ
British local authorities ⓘ British universities ⓘ commercial banks in the United Kingdom ⓘ insurance companies in the United Kingdom ⓘ |
| wordLength | 24-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 1900 series Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.