PDP-7
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- pdp7-oslo-2005.jpeg -
A modified PDP-7 under restoration in Oslo, Norway
The
DEC PDP-7 is a
minicomputer produced by
Digital Equipment Corporation. Introduced in
1965, the first to use their
Flip-Chip® technology, with a cost of only $72,000
USD, it was cheap but powerful. The PDP-7 was the third of Digital's 18-bit machines, with essentially the same instruction set architecture as the
PDP-4 and the
PDP-9. It was the first
wire-wrapped PDP.In
1969,
Ken Thompson wrote the first
UNIX system in assembly language on a PDP-7, then named Unics as a somewhat treacherous pun on
Multics, as the operating system for
Space Travel, a game which required graphics to depict the motion of the planets. A PDP-7 was also the development system used during the development of
MUMPS at
MGH in
Boston a few years earlier. There are a few remaining PDP-7 still in operable condition, along with one under restoration in
Oslo, Norway.
External links
- WEB,weblink Origins and History of Unix, 1969-1995, Raymond, Eric Steven, 2003-09-19, faqs.org, 2008-07-13,
- weblink "The famous PDP-7 comes to the rescue" (Bell Labs' Unix history)
- weblink PDP-7 entry from Year 1964 in the DIGITAL Computing Timeline
- weblink PDP-7 restoration project located in Oslo, Norway
- weblink general information for the computer system
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