DECsystem-20
E810937
DECsystem-20 is a family of 36-bit mainframe computers from Digital Equipment Corporation, widely used in the 1970s and 1980s for time-sharing and running the TOPS-20 operating system.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf | mainframe computer family ⓘ |
| alsoKnownAs |
DEC-20
NERFINISHED
ⓘ
DECsystem-20 family NERFINISHED ⓘ |
| architecture | PDP-10 architecture ⓘ |
| bitWidth | 36-bit ⓘ |
| characterEncoding | 7-bit ASCII NERFINISHED ⓘ |
| companyCountry | United States NERFINISHED ⓘ |
| cpuFamily |
KL10
NERFINISHED
ⓘ
KS10 NERFINISHED ⓘ |
| formFactor | cabinet-sized mainframe ⓘ |
| influenced |
later time-sharing systems
ⓘ
networked interactive computing ⓘ |
| instructionSet | PDP-10 instruction set ⓘ |
| introducedInDecade | 1970s ⓘ |
| manufacturer | Digital Equipment Corporation NERFINISHED ⓘ |
| market |
academic computing
ⓘ
commercial time-sharing ⓘ research computing ⓘ |
| memoryManagement | paged virtual memory (via TOPS-20) ⓘ |
| networkingSupport | ARPANET connectivity (via TOPS-20) ⓘ |
| notableModel |
DECsystem-2040
NERFINISHED
ⓘ
DECsystem-2050 NERFINISHED ⓘ DECsystem-2060 NERFINISHED ⓘ DECsystem-2065 NERFINISHED ⓘ |
| operatingSystem | TOPS-20 NERFINISHED ⓘ |
| osFamily | TOPS-20 operating system NERFINISHED ⓘ |
| powerType | minicomputer-style mainframe ⓘ |
| primaryUse | time-sharing ⓘ |
| relatedTo | DECSYSTEM-10 NERFINISHED ⓘ |
| runsOn | PDP-10 compatible hardware ⓘ |
| status | discontinued ⓘ |
| successorOf | PDP-10 NERFINISHED ⓘ |
| supports |
interactive computing
ⓘ
multi-user time-sharing ⓘ virtual memory ⓘ |
| typicalUsers |
commercial time-sharing providers
ⓘ
research institutions ⓘ universities ⓘ |
| usedFor |
batch and interactive workloads
ⓘ
computer science education ⓘ programming language development ⓘ software development ⓘ |
| usedInDecade |
1970s
ⓘ
1980s ⓘ |
| vendorAbbreviation | DEC NERFINISHED ⓘ |
| wordSize | 36 bits ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.