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![](timeline7.gif)
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![](bck-4.gif) ![](1962.gif) ![](fwd-4.gif) |
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![](photos/pdp4-t.gif) |
July:
Shipments begin of the PDP-4, DIGITAL's second 18-bit
computer. |
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![](photos/pdp1tmsh-t.gif) |
September:
The PDP-1 operating system, the world's first
timesharing system, is written by engineers at
MIT and BBN for the PDP-1. |
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![](photos/pdp5opn-t.gif) |
Gordon
Bell begins design work on the architecture for
the PDP-5. |
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