<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)

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[ = ] [ ACE ] [ aCtor ] [ ad ] [ ai ] [ al ] [ am ] [ an ] [ ar ] [ arC ] [ as ] [ at ] [ av ] [ b ] [ be ] [ bo ] [ boa ] [ board ] [ br ] [ by ] [ C ] [ Ca ] [ CE ] [ Ch ] [ Cl ] [ Co ] [ Com ] [ Compatible ] [ Compiler ] [ Computer ] [ Con ] [ Cons ] [ Control ] [ Cr ] [ Cy ] [ CyCle ] [ D ] [ DD ] [ dd ] [ DDT ] [ de ] [ DEC ] [ DECtape ] [ DP ] [ du ] [ dual ] [ E ] [ eC ] [ ed ] [ er ] [ era ] [ es ] [ et ] [ fi ] [ file ] [ fo ] [ for ] [ Fortran ] [ Fortran I ] [ Fortran II ] [ ga ] [ ge ] [ gh ] [ gi ] [ gr ] [ h ] [ hat ] [ hm ] [ hr ] [ hu ] [ id ] [ il ] [ in ] [ inC ] [ inClude ] [ int ] [ I/O ] [ it ] [ K ] [ ke ] [ Ken Thompson ] [ key ] [ keyboard ] [ la ] [ ld ] [ Lex ] [ li ] [ library ] [ lt ] [ lu ] [ ly ] [ M ] [ memory ] [ miCro ] [ miCroseCond ] [ miniComputer ] [ mm ] [ mo ] [ mod ] [ module ] [ mp ] [ na ] [ nC ] [ ne ] [ ng ] [ ni ] [ no ] [ ns ] [ nu ] [ O ] [ om ] [ op ] [ operating system ] [ pa ] [ PACE ] [ PD ] [ PDP ] [ pe ] [ ph ] [ pl ] [ port ] [ pr ] [ printer ] [ program ] [ programming ] [ query ] [ rC ] [ re ] [ rl ] [ ro ] [ routine ] [ S ] [ sa ] [ sC ] [ se ] [ si ] [ so ] [ SP ] [ SPACEWAR ] [ st ] [ su ] [ sy ] [ system ] [ T ] [ tap ] [ tape ] [ tape drive ] [ th ] [ to ] [ tr ] [ type ] [ ua ] [ ug ] [ us ] [ va ] [ ve ] [ vi ]