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gptkbp:instanceOf
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computer
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gptkbp:architect
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gptkb:von_Neumann_architecture
18-bit
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gptkbp:busConnections
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gptkb:UNIBUS
18-bit data bus
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gptkbp:community
|
academic researchers
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gptkbp:community_involvement
|
open-source projects.
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gptkbp:compatibleWith
|
gptkb:PDP-10
FORTRAN
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|
gptkbp:coolingSystem
|
air-cooled
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gptkbp:developer
|
1960s
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gptkbp:dimensions
|
30 x 30 x 72 inches
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|
gptkbp:fuel_capacity
|
approximately 1 kW
|
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gptkbp:futurePlans
|
multiple expansion slots
|
|
gptkbp:historical_significance
|
early time-sharing systems
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-20 Model A
|
|
gptkbp:influenced
|
later computer designs
|
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gptkbp:input/output
|
gptkb:UNIBUS
|
|
gptkbp:input/output_channels
|
multiple channels
|
|
gptkbp:inputOutput
|
gptkb:printer
keyboard
punch cards
|
|
gptkbp:instructionSet
|
complex instruction set
|
|
gptkbp:introduced
|
1967
|
|
gptkbp:is_used_in
|
research institutions
|
|
gptkbp:language
|
LISP
|
|
gptkbp:legacy
|
influenced personal computing
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:market
|
academic and research
|
|
gptkbp:market_segment
|
scientific computing
|
|
gptkbp:network
|
gptkb:ARPA_network
|
|
gptkbp:notable_feature
|
time-sharing system
|
|
gptkbp:notableEvent
|
available on modern systems
Dynamic_Modeling_Group_software
|
|
gptkbp:notableFeature
|
AI research
|
|
gptkbp:notableUsers
|
gptkb:MIT
|
|
gptkbp:notableWork
|
significant impact on computing
|
|
gptkbp:offers
|
$120,000
|
|
gptkbp:operatingHours
|
TOPS-20
|
|
gptkbp:operational_status
|
1970s
|
|
gptkbp:operationalStatus
|
interactive computing
|
|
gptkbp:powerOutput
|
AC power
|
|
gptkbp:predecessor
|
PDP-6
|
|
gptkbp:processor
|
KA10
|
|
gptkbp:productionCompany
|
batch processing
line printer
|
|
gptkbp:productionYears
|
1965-1967
|
|
gptkbp:RAM
|
up to 64 KB
random access
|
|
gptkbp:relatedModel
|
gptkb:PDP-20_series
|
|
gptkbp:services
|
high reliability
|
|
gptkbp:storage
|
magnetic tape
magnetic core memory
|
|
gptkbp:successor
|
gptkb:PDP-20_Model_B
gptkb:PDP-20_Model_C
|
|
gptkbp:teamAchievements
|
gptkb:Ken_Olsen
|
|
gptkbp:type
|
minicomputer
integer and floating-point
|
|
gptkbp:updates
|
available during production
|
|
gptkbp:user_interface
|
command line
available in print
|
|
gptkbp:weight
|
approximately 1000 lbs
|