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  • clocks
    n. Processor logic cycles, so called because each generally corresponds to one clock pulse in the processor's timing. The relative execution times of instructions... VIEW ENTIRE DEFINITION


  •  View Definition: SPACEWAR 

    SPACEWAR


    n. A space-combat simulation game, inspired by E. E. "Doc" Smith's "Lensman" books, in which two spaceships duel around a central sun, shooting torpedoes at each other and jumping through hyperspace. This game was first implemented on the PDP-1 at MIT in 1960--61. SPACEWAR aficionados formed the core of the early hacker culture at MIT. Nine years later, a descendant of the game motivated Ken Thompson to build, in his spare time on a scavenged PDP-7, the operating system that became {UNIX}. Less than nine years after that, SPACEWAR was commercialized as one of the first video games; descendants are still feeping in video arcades everywhere.