|
gptkbp:instanceOf
|
computer
|
|
gptkbp:architect
|
18-bit
|
|
gptkbp:availability
|
limited production
|
|
gptkbp:busConnections
|
gptkb:Unibus
|
|
gptkbp:community
|
PDP-20_user_community
|
|
gptkbp:communitySupport
|
user groups
|
|
gptkbp:compatibleWith
|
PDP-6 peripherals
PDP-10_software
|
|
gptkbp:contributedTo
|
computer science
|
|
gptkbp:coolingSystem
|
air-cooled
|
|
gptkbp:culturalImpact
|
inspired computer art
|
|
gptkbp:designedBy
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:dimensions
|
30 x 24 x 72 inches
|
|
gptkbp:discontinued
|
1983
|
|
gptkbp:endOfLife
|
1980s
|
|
gptkbp:equipment
|
transistor technology
|
|
gptkbp:formFactor
|
rack-mounted
|
|
gptkbp:historicalSignificance
|
extensive technical manuals
early time-sharing system
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-20 Crystal
|
|
gptkbp:influenced
|
virtual memory
|
|
gptkbp:influencedBy
|
gptkb:PDP-1
|
|
gptkbp:inputOutput
|
gptkb:printer
keyboard
console terminal
|
|
gptkbp:language
|
LISP
|
|
gptkbp:legacy
|
influenced modern computing
|
|
gptkbp:marketSegment
|
scientific computing
|
|
gptkbp:network
|
gptkb:ARPA_network
|
|
gptkbp:notableEvent
|
gptkb:PDP-10
assembly language
various platforms
Dynamic_Modeling_Group
|
|
gptkbp:notableFeature
|
AI research
time-sharing system
|
|
gptkbp:notableUsers
|
gptkb:MIT
|
|
gptkbp:offers
|
$18,000
|
|
gptkbp:operatingHours
|
TOPS-10
|
|
gptkbp:powers
|
1.5 kW
|
|
gptkbp:predecessor
|
PDP-6
|
|
gptkbp:primaryUser
|
available online
|
|
gptkbp:productionCompany
|
1965-1967
|
|
gptkbp:RAM
|
up to 64 KB
|
|
gptkbp:releasedIn
|
1967
|
|
gptkbp:researchInterest
|
AI and simulation
|
|
gptkbp:storage
|
magnetic tape
|
|
gptkbp:successor
|
gptkb:PDP-10
gptkb:PDP-11
|
|
gptkbp:technology
|
gptkb:PDP-8
|
|
gptkbp:type
|
minicomputer
|
|
gptkbp:usedIn
|
research institutions
|
|
gptkbp:userBase
|
academic community
|
|
gptkbp:weight
|
approximately 500 lbs
|