ICL 1900 mainframe computers
E457333
ICL 1900 mainframe computers were a family of British business and scientific mainframes from International Computers Limited widely used in the 1960s and 1970s.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ICL 1900 mainframe computers canonical | 1 |
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
computer architecture
ⓘ
mainframe computer family ⓘ |
| addressingMode | 24-bit addressing ⓘ |
| alsoKnownAs |
1900 series
NERFINISHED
ⓘ
ICL 1900 series NERFINISHED ⓘ |
| architectureType | 24-bit architecture ⓘ |
| characterEncoding | 6-bit character set ⓘ |
| compatibleWith | ICT 1900 series software ⓘ |
| continuedBy | International Computers Limited NERFINISHED ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| inception | 1964 ⓘ |
| inputOutput |
line printers
ⓘ
magnetic disk drives ⓘ magnetic tape drives ⓘ punched card readers ⓘ |
| instructionSetType | single-address instruction set ⓘ |
| introducedBy | International Computers and Tabulators NERFINISHED ⓘ |
| manufacturer | International Computers Limited NERFINISHED ⓘ |
| market |
commercial data processing
ⓘ
scientific and engineering users ⓘ |
| notableModel |
ICL 1901
NERFINISHED
ⓘ
ICL 1902 NERFINISHED ⓘ ICL 1903 NERFINISHED ⓘ ICL 1904 NERFINISHED ⓘ ICL 1904A NERFINISHED ⓘ ICL 1905 NERFINISHED ⓘ ICL 1905E NERFINISHED ⓘ ICL 1906 NERFINISHED ⓘ ICL 1906A NERFINISHED ⓘ ICL 1907 NERFINISHED ⓘ ICL 1909 NERFINISHED ⓘ |
| notableUser |
British government departments
ⓘ
UK universities ⓘ |
| numberRepresentation |
binary fixed-point
ⓘ
binary floating-point ⓘ |
| operatingSystem |
E4BM
ⓘ
Executive (ICL 1900) NERFINISHED ⓘ GEORGE 2 NERFINISHED ⓘ GEORGE 3 NERFINISHED ⓘ GEORGE 4 NERFINISHED ⓘ |
| predecessor |
ICT 1300 series
NERFINISHED
ⓘ
ICT 1500 series NERFINISHED ⓘ |
| primaryUse |
business data processing
ⓘ
scientific computing ⓘ |
| programmingLanguage |
ALGOL
NERFINISHED
ⓘ
COBOL NERFINISHED ⓘ FORTRAN NERFINISHED ⓘ PLAN (ICL 1900 assembly language) NERFINISHED ⓘ |
| successor | ICL 2900 Series NERFINISHED ⓘ |
| usedInPeriod |
1960s
ⓘ
1970s ⓘ |
| wordLength | 24 bits ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.