Statements (23)
Predicate | Object |
---|---|
gptkbp:instanceOf |
mainframe computer
|
gptkbp:architecture |
18-bit
|
https://www.w3.org/2000/01/rdf-schema#label |
PDP-4
|
gptkbp:input |
paper tape
punched card reader teletype |
gptkbp:instructionSet |
PDP-1 compatible
|
gptkbp:introduced |
1962
|
gptkbp:length |
18 bits
|
gptkbp:manufacturer |
gptkb:Digital_Equipment_Corporation
|
gptkbp:marketedAs |
low-cost alternative to PDP-1
|
gptkbp:numberBuilt |
54
|
gptkbp:operatingSystem |
gptkb:DECsys-4
|
gptkbp:powerSource |
gptkb:AC
|
gptkbp:predecessor |
gptkb:PDP-1
|
gptkbp:RAM |
up to 32K words
|
gptkbp:speed |
1 MHz
|
gptkbp:successor |
gptkb:PDP-7
|
gptkbp:usedFor |
scientific computing
educational purposes industrial control |
gptkbp:bfsParent |
gptkb:DEC_PDP-1
|
gptkbp:bfsLayer |
5
|