|
gptkbp:instance_of
|
gptkb:computer
|
|
gptkbp:bfsLayer
|
5
|
|
gptkbp:bfsParent
|
gptkb:PDP-39
|
|
gptkbp:application
|
general-purpose computing
|
|
gptkbp:architectural_style
|
16-bit
|
|
gptkbp:artistic_influence
|
subsequent DEC products
|
|
gptkbp:availability
|
used and refurbished systems
|
|
gptkbp:community
|
academic and research institutions
|
|
gptkbp:connects
|
gptkb:Unibus
|
|
gptkbp:cooling_system
|
moderate
air-cooled
|
|
gptkbp:data_bus_width
|
16 bits
|
|
gptkbp:designed_by
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:developer
|
1965-1970
Ken Olsen, Harlan Anderson
|
|
gptkbp:economic_impact
|
gptkb:significant
|
|
gptkbp:emulation
|
available on modern systems
|
|
gptkbp:end_of_life
|
gptkb:1980s
|
|
gptkbp:first_introduced
|
early 1970s
|
|
gptkbp:form_factor
|
rack-mounted
modular
|
|
gptkbp:has_documentation
|
technical manuals available
|
|
gptkbp:historical_significance
|
pioneered affordable computing
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-39 CPU
|
|
gptkbp:input_output
|
serial and parallel ports
+12 V
+5 V
|
|
gptkbp:involved_units
|
optional
|
|
gptkbp:is_compatible_with
|
gptkb:PDP-11_systems
|
|
gptkbp:language
|
Assembly, Fortran, COBOL
|
|
gptkbp:language_of_instruction
|
PDP-11 instruction set
fetch-decode-execute
|
|
gptkbp:legacy
|
influenced modern computing
|
|
gptkbp:location
|
gptkb:Massachusetts
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:market_segment
|
scientific and engineering
|
|
gptkbp:notable_features
|
modular design, expandability
|
|
gptkbp:notable_users
|
NASA, universities
|
|
gptkbp:operating_system
|
gptkb:RSX-11
|
|
gptkbp:power_consumption
|
low
|
|
gptkbp:predecessor
|
gptkb:PDP-8
|
|
gptkbp:production_location
|
gptkb:PDP-39_Assembly
|
|
gptkbp:ram
|
up to 64 KB
core memory
|
|
gptkbp:released_in
|
gptkb:1970
|
|
gptkbp:speed
|
1 M Hz
|
|
gptkbp:successor
|
gptkb:PDP-8
gptkb:API
|
|
gptkbp:technology
|
transistor-based
minicomputers, mainframes
|
|
gptkbp:throws
|
hardware interrupts
|
|
gptkbp:type
|
gptkb:microprocessor
|
|
gptkbp:used_in
|
late 1980s
PDP-39 computer system
|