|
gptkbp:instance_of
|
gptkb:computer
|
|
gptkbp:bfsLayer
|
4
|
|
gptkbp:bfsParent
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:architectural_style
|
16-bit
|
|
gptkbp:connects
|
gptkb:UNIBUS
|
|
gptkbp:cooling_system
|
air-cooled
|
|
gptkbp:data_bus_width
|
16 bits
|
|
gptkbp:developer
|
gptkb:Ken_Olsen
1960s
|
|
gptkbp:dimensions
|
30 x 24 x 72 inches
|
|
gptkbp:emulation
|
available on modern systems
|
|
gptkbp:end_of_life
|
1970s
|
|
gptkbp:historical_significance
|
pioneered minicomputer design
|
|
gptkbp:home_port
|
disk drives
printers
tape drives
terminals
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
PDP-28
|
|
gptkbp:influenced
|
subsequent computer architectures
|
|
gptkbp:input_output
|
gptkb:UNIBUS
|
|
gptkbp:introduced
|
gptkb:1967
|
|
gptkbp:is_compatible_with
|
PDP-8 programs
|
|
gptkbp:language
|
Assembly language
|
|
gptkbp:language_of_instruction
|
gptkb:PDP-8_instruction_set
|
|
gptkbp:legacy
|
influenced future minicomputers
|
|
gptkbp:manufacturer
|
gptkb:Digital_Equipment_Corporation
|
|
gptkbp:market_segment
|
scientific computing
|
|
gptkbp:marketed_as
|
scientific and engineering applications
|
|
gptkbp:notable_feature
|
floating-point arithmetic
|
|
gptkbp:notable_users
|
universities
government agencies
research institutions
corporate research labs
|
|
gptkbp:operating_system
|
gptkb:TOPS-10
|
|
gptkbp:power_output
|
AC power
|
|
gptkbp:predecessor
|
gptkb:PDP-7
|
|
gptkbp:processor
|
PDP-8 compatible
|
|
gptkbp:production_years
|
1967 to 1970
|
|
gptkbp:ram
|
up to 64 KB
core memory
|
|
gptkbp:related_to
|
gptkb:DEC_computers
gptkb:PDP_series
engineering applications
computer history
scientific computing advancements
minicomputer revolution
|
|
gptkbp:successor
|
gptkb:PDP-29
gptkb:API
|
|
gptkbp:type
|
gptkb:microprocessor
|
|
gptkbp:user_interface
|
gptkb:video_game
|
|
gptkbp:weight
|
approximately 500 lbs
|