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gptkbp:instance_of
|
gptkb:computer
|
|
gptkbp:addressed
|
16-bit addressing
|
|
gptkbp:architecture
|
16-bit
|
|
gptkbp:bus_connections
|
gptkb:Unibus
1.0 MHz
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:data_bus_width
|
16 bits
|
|
gptkbp:development
|
debugging tools
compilers
assemblers
|
|
gptkbp:dimensions
|
19" rack width
24" depth
6" height
|
|
gptkbp:discontinued
|
gptkb:1980
|
|
gptkbp:form_factor
|
rack-mounted
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-40
|
|
gptkbp:input_output
|
gptkb:print
gptkb:keyboard
disk drives
serial and parallel ports
tape drives
|
|
gptkbp:instruction_set
|
complex instruction set
|
|
gptkbp:language_support
|
gptkb:assembly_language
gptkb:FORTRAN
gptkb:LISP
|
|
gptkbp:legacy
|
influenced modern computing
pioneered time-sharing systems
part of computing history
contributed to software development practices
inspired future DEC models
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:market_segment
|
scientific and engineering
|
|
gptkbp:network
|
serial communication
Ethernet support
|
|
gptkbp:notable_users
|
gptkb:Harvard_University
gptkb:Stanford_University
gptkb:Bell_Labs
gptkb:MIT
gptkb:NASA
|
|
gptkbp:operating_system
|
gptkb:TOPS-10
|
|
gptkbp:power_supply
|
AC power
|
|
gptkbp:predecessor
|
gptkb:PDP-8
|
|
gptkbp:processor
|
PDP-8 compatible
|
|
gptkbp:ram
|
up to 64 KB
|
|
gptkbp:release_year
|
gptkb:1970
|
|
gptkbp:successor
|
gptkb:PDP-11/20
gptkb:PDP-11
gptkb:PDP-11/45
|
|
gptkbp:weight
|
approximately 200 lbs
|
|
gptkbp:bfsParent
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:bfsLayer
|
4
|