Timeline of Computer History

The Difference Engine #2 at the Science Museum, London

Babbage's Difference Engine #2 is completed

Customer service representatives at A. Leon Capel & Sons

CICS is released

The Datasette is located on the lower left corner of the PET

Commodore 1530 Datasette

ARPAnet Interface Message Processor (IMP)

Hooking up – networks come online