Interface Message Processor (IMP)

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  • Details
  • Description
Date Introduced
1965 ca.
Photographer
Richards, Mark
Dimensions
overall: 72 in x 25 in x 29 in
Manufacturer
Bolt, Beranek and Newman, Inc. (BBN)
Copyright Owner
© Mark Richards
Object ID
X105.82

This large box was the interface between the ARPANET (a predecessor to the Internet) and a computer connected to the network. This $82,200 IMP was one of the first made. The Honeywell 516 minicomputer inside has only 12,000 words of memory.