PDP-11/20

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  • Details
  • Description
Date Introduced
1970
Photographer
Richards, Mark
Dimensions
overall: 10 1/2 in x 19 in x 24 in
Manufacturer
Digital Equipment Corporation (DEC)
Credit Line
Gift of Tom Mathews
Copyright Owner
© Mark Richards
Object ID
X1507.98
Speed
833,333 adds/sec
Memory Type
Core
Memory Size
4K words
Memory Width
16-bit
Cost
$10,800

All models of the PDP-11 family could run the same software. Its clean internal architecture, with multiple general-purpose internal registers, was more like a mainframe computer than earlier minicomputers.