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gptkbp:instanceOf
|
mainframe computer
|
|
gptkbp:architect
|
16-bit
|
|
gptkbp:busConnections
|
gptkb:UNIBUS
|
|
gptkbp:compatibleWith
|
COBOL
assembly language
FORTRAN
PDP-10_software
|
|
gptkbp:coolingSystem
|
air-cooled
|
|
gptkbp:dataBusWidth
|
16 bits
|
|
gptkbp:developer
|
1960s
|
|
gptkbp:dimensions
|
large cabinet
|
|
gptkbp:discontinued
|
1980s
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-20 mainframe
|
|
gptkbp:influenced
|
future computer designs
|
|
gptkbp:influencedBy
|
gptkb:SIMH
|
|
gptkbp:input/output
|
gptkb:UNIBUS
|
|
gptkbp:inputOutput
|
keyboard
|
|
gptkbp:introduced
|
1967
|
|
gptkbp:is_used_in
|
academic research
commercial applications
government projects
|
|
gptkbp:language
|
LISP
|
|
gptkbp:legacy
|
influenced modern computing
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:network
|
gptkb:ARPANET
|
|
gptkbp:notable_feature
|
time-sharing system
|
|
gptkbp:notableEvent
|
gptkb:Maclisp
gptkb:BSD_UNIX
Adventure
Zork
Scribe
Emacs
Bourne shell
Multics
Interlisp
MDL
|
|
gptkbp:notableUsers
|
gptkb:Harvard_University
gptkb:Stanford_University
gptkb:Bell_Labs
gptkb:MIT
NASA
|
|
gptkbp:operatingHours
|
TOPS-20
|
|
gptkbp:powerOutput
|
AC power
|
|
gptkbp:productionCompany
|
gptkb:printer
|
|
gptkbp:RAM
|
up to 256 KB
|
|
gptkbp:speed
|
up to 1 MHz
|
|
gptkbp:storage
|
disk storage
magnetic tape
|
|
gptkbp:successor
|
gptkb:PDP-10
gptkb:PDP-11
|
|
gptkbp:teamAchievements
|
gptkb:Ken_Thompson
gptkb:Dennis_Ritchie
|
|
gptkbp:user_interface
|
command line
|
|
gptkbp:weight
|
approximately 1000 lbs
|