Statements (54)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
computer system
|
| gptkbp:architect |
PDP_architecture
|
| gptkbp:community |
active user community
|
| gptkbp:compatibleWith |
various software packages available
|
| gptkbp:coolingSystem |
air-cooled
|
| gptkbp:designedBy |
gptkb:Digital_Equipment_Corporation
|
| gptkbp:dimensions |
varied by model
|
| gptkbp:discontinued |
1980s
|
| gptkbp:formFactor |
rack-mounted
|
| gptkbp:historicalSignificance |
extensive manuals available
|
| https://www.w3.org/2000/01/rdf-schema#label |
PDP-20 systems
|
| gptkbp:influencedBy |
gptkb:PDP-1
|
| gptkbp:inputOutput |
gptkb:UNIBUS
disk drives tape drives parallel ports terminals serial ports |
| gptkbp:introduced |
1967
|
| gptkbp:language |
Assembly language
COBOL ALGOL BASIC FORTRAN |
| gptkbp:legacy |
influenced modern computing
|
| gptkbp:marketedAs |
universities
government agencies research institutions interactive computing |
| gptkbp:notableEvent |
available on modern systems
|
| gptkbp:notableFeature |
networking capabilities
multitasking capabilities virtual memory support high-level language support interactive debugging tools |
| gptkbp:notableFor |
time-sharing capabilities
|
| gptkbp:notableUsers |
gptkb:Harvard_University
gptkb:Stanford_University gptkb:Bell_Labs gptkb:MIT NASA |
| gptkbp:offers |
$120,000
|
| gptkbp:operatingHours |
TOPS-20
|
| gptkbp:powers |
AC power
|
| gptkbp:predecessor |
PDP-6
|
| gptkbp:processor |
16-bit processor
|
| gptkbp:RAM |
core memory
|
| gptkbp:storage |
up to 256 KB
|
| gptkbp:successor |
gptkb:PDP-10
gptkb:PDP-11 |
| gptkbp:supports |
LISP programming language
|
| gptkbp:usedIn |
academic research
government research |
| gptkbp:weight |
approximately 1000 lbs
|