Statements (50)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
computer
|
| gptkbp:architect |
word-oriented architecture
|
| gptkbp:compatibleWith |
PDP-10_software
|
| gptkbp:coolingSystem |
air-cooled
|
| gptkbp:developer |
time-sharing systems
interactive computing early AI research |
| gptkbp:dimensions |
30 x 24 x 72 inches
|
| gptkbp:formFactor |
rack-mounted
|
| https://www.w3.org/2000/01/rdf-schema#label |
PDP-20 Model B
|
| gptkbp:inputOutput |
disk drives
serial and parallel ports tape drives line printers graphics terminals |
| gptkbp:instructionSet |
20-bit instruction set
|
| gptkbp:isATypeOf |
gptkb:Unibus
|
| gptkbp:language |
ALGOL
LISP assembly language FORTRAN |
| gptkbp:manufacturer |
gptkb:Digital_Equipment_Corporation
|
| gptkbp:maximumDepth |
128 KB
|
| gptkbp:notableFeature |
community support
debugging tools modular design virtual memory system diagnostics user-friendly interfaces dynamic address translation expandable architecture multiprogramming extensive documentation educational use support for peripheral devices support for multiple users flexible input/output options high-speed memory access high-level I/O control |
| gptkbp:notableUsers |
gptkb:Harvard_University
gptkb:Stanford_University gptkb:MIT |
| gptkbp:operatingHours |
TOPS-20
|
| gptkbp:powers |
AC power supply
|
| gptkbp:processor |
KA-10
|
| gptkbp:RAM |
core memory
|
| gptkbp:releaseYear |
1968
|
| gptkbp:successor |
gptkb:PDP-20_Model_D
gptkb:PDP-20_Model_C |
| gptkbp:weight |
approximately 500 lbs
|