PDP-4

E701309

The PDP-4 was an early 1960s 18-bit minicomputer from Digital Equipment Corporation that helped establish the PDP line in scientific and engineering computing.

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Statements (31)

Predicate Object
instanceOf PDP series computer
minicomputer
architectureGeneration second generation computer
bitWidth 18-bit
category early 1960s computer
computerLine PDP line
countryOfOrigin United States of America
surface form: United States
cpuArchitecture serial 18-bit architecture
dataPathWidth 18 bits
designedBy Digital Equipment Corporation engineers
family Programmed Data Processor NERFINISHED
instructionSetCompatibility PDP-1 compatible (partial)
intendedUse engineering computing
scientific computing
introducedAroundYear 1962
introducedInDecade 1960s
logicFamily discrete transistor logic
mainMemoryType magnetic core memory
manufacturer Digital Equipment Corporation NERFINISHED
marketSegment engineering computing
scientific computing
memoryTechnology core memory
notableFor helping establish the PDP line in engineering computing
helping establish the PDP line in scientific computing
numberSystem binary
predecessor PDP-1 NERFINISHED
successor PDP-7 NERFINISHED
vendor Digital Equipment Corporation NERFINISHED
wordAddressable true
wordLength 18 bits
wordType binary fixed-point

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gordon Bell notableWork PDP-4
PDP-7 predecessor PDP-4