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
|