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%ما هو (من)٪ 1 - تعريف
MINICOMPUTER INTRODUCED IN 1964
PDP 7; DECsys
PDP-7
<computer> A minicomputer sold by DEC in 1964. It had a
memory cycle time of 1.75 microseconds and add time of 4
microseconds. I/O included a keyboard, printer, paper-tape
and dual transport DECtape drives (type 555).
DEC provided an "advanced" Fortran II compiler, a Symbolic
Assembler, Editor, DDT Debugging System, Maintenance
routines and a library of arithmetic, utility and programming
aids developed on the program-compatible PDP-4.
[DEC sales brochure ].
The PDP-7 was considered reliable enough (when properly
programmed) to be used for control of nuclear reactors and
such.
Around 1970 Ken Thompson built the operating system that
became Unix on a scavenged PDP-7 so he could play a
descendant of the SPACEWAR game.
(1995-03-10)
Programmed Data Processor
SERIES OF MINICOMPUTERS MADE AND MARKETED BY THE DIGITAL EQUIPMENT CORPORATION FROM 1957 TO 1990
Programmable Data Processor; PDP-3; PDP 3; PDP-2; PDP 2; PDP 4; PDP 9; PDP 12; PDP 14; PDP 15; PDP 16; DEC PDP; PDP-H; DEC PDP-H
Programmed Data Processor (PDP), referred to by some customers, media and authors as "Programmable Data Processor,"
Programmed Data Processor
SERIES OF MINICOMPUTERS MADE AND MARKETED BY THE DIGITAL EQUIPMENT CORPORATION FROM 1957 TO 1990
Programmable Data Processor; PDP-3; PDP 3; PDP-2; PDP 2; PDP 4; PDP 9; PDP 12; PDP 14; PDP 15; PDP 16; DEC PDP; PDP-H; DEC PDP-H
<computer> (PDP) Early (1960's?) {Digital Equipment
Corporation} family of minicomputers. The best known ranges
were the PDP-10 and PDP-11. PAL was the {assembly
language}.
(1997-11-21)
ويكيبيديا
PDP-7
The PDP-7 was a minicomputer produced by Digital Equipment Corporation as part of the PDP series. Introduced in 1964,: p.8 shipped since 1965, it was the first to use their Flip-Chip technology. With a cost of US$72,000, it was cheap but powerful by the standards of the time. The PDP-7 is the third of Digital's 18-bit machines, with essentially the same instruction set architecture as the PDP-4 and the PDP-9.
