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gptkbp:instance_of
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gptkb:computer
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gptkbp:bfsLayer
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4
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gptkbp:bfsParent
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gptkb:Digital_Equipment_Corporation
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gptkbp:application
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gptkb:Research_Institute
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gptkbp:architectural_style
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16-bit
von Neumann architecture
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gptkbp:availability
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various applications
limited software library
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gptkbp:community
|
academic institutions
active user groups
enthusiasts and collectors
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gptkbp:connects
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gptkb:Unibus_architecture
gptkb:Unibus
1.0 M Hz
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|
gptkbp:cooling_system
|
air-cooled
passive cooling
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gptkbp:data_bus_width
|
16 bits
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gptkbp:data_usage
|
up to 1 MB/s
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gptkbp:developer
|
1965-1970
early 1970s
DEC engineers
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gptkbp:discontinued
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gptkb:1975
gptkb:1980
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gptkbp:economic_impact
|
significant in 1970s
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gptkbp:emulation
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gptkb:stock_market_index
available on modern systems
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gptkbp:end_of_life
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gptkb:1980s
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gptkbp:first_released
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gptkb:1971
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gptkbp:form_factor
|
rack-mounted
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|
gptkbp:has_documentation
|
extensive technical manuals
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|
gptkbp:has_expansion
|
up to 8
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|
gptkbp:historical_context
|
during the rise of computing
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|
gptkbp:historical_significance
|
pioneered minicomputer technology
early minicomputer
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gptkbp:home_port
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gptkb:printer
gptkb:musician
disk drives
line printer
teletypewriter
various I/ O ports
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|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-39
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gptkbp:influenced
|
subsequent computer designs
minicomputer development
the development of UNIX
|
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gptkbp:input_output
|
serial and parallel ports
serial and parallel
120/240 VAC
serial communication
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gptkbp:introduced
|
gptkb:1970
|
|
gptkbp:is_compatible_with
|
gptkb:PDP-8_peripherals
PDP-8 software
|
|
gptkbp:language
|
Assembly language
limited multitasking
|
|
gptkbp:language_of_instruction
|
basic instruction set
|
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gptkbp:legacy
|
gptkb:PDP-11_series
influenced future computer designs
influential in computer history
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:market_segment
|
small to medium enterprises
business and education
|
|
gptkbp:network
|
gptkb:none
limited
|
|
gptkbp:notable_feature
|
modular design
|
|
gptkbp:notable_features
|
modular design
|
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gptkbp:notable_users
|
gptkb:Harvard_University
gptkb:Stanford_University
gptkb:MIT
gptkb:NASA
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gptkbp:operating_system
|
gptkb:TOPS-10
|
|
gptkbp:operational_area
|
controlled temperature
|
|
gptkbp:performance
|
moderate performance
|
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gptkbp:power_consumption
|
approximately 300 watts
around 1 k W
|
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gptkbp:predecessor
|
gptkb:PDP-8
|
|
gptkbp:price
|
$20,000
|
|
gptkbp:processor
|
gptkb:PDP-39_CPU
PDP-8 compatible
|
|
gptkbp:production_location
|
gptkb:battle
|
|
gptkbp:ram
|
64 KB
up to 64 KB
core memory
|
|
gptkbp:related_model
|
PDP-8, PDP-11
|
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gptkbp:release_year
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gptkb:1970
|
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gptkbp:storage
|
magnetic tape
magnetic core memory
|
|
gptkbp:successor
|
gptkb:PDP-11/20
gptkb:microprocessor
gptkb:API
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gptkbp:supports
|
gptkb:FORTRAN
gptkb:BASIC
gptkb:LISP
limited
|
|
gptkbp:used_in
|
academic and research institutions
|
|
gptkbp:user_base
|
engineers and scientists
|
|
gptkbp:user_interface
|
command line
|
|
gptkbp:user_manual
|
gptkb:stock_market_index
|
|
gptkbp:weight
|
approximately 100 pounds
approximately 1000 lbs
|