MAKE A MEME View Large Image SEACComputer 015.jpg The Air Force at first supported the development of the UNIVAC for use in speeding up their planning and deployment Project SCOOP but when in 1948 it became apparent that the machine would not be finished in time Air ...
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Keywords: SEACComputer 015.jpg The Air Force at first supported the development of the UNIVAC for use in speeding up their planning and deployment Project SCOOP but when in 1948 it became apparent that the machine would not be finished in time Air Force officials asked NBS to undertake a crash program to build a computer It became SEAC which became operational in April 1950 Shortly after SEAC began operation magnetic wire was installed to replace punched tape as input This increased the reading time from 30 to 10 000 words per minute The SEACâ ‚¬ „˘s operators attached one of the machineâ ‚¬ „˘s registers to an amplifier and speaker so that the malfunctions in the computerâ ‚¬ „˘s routines could be identified by unfamiliar sound patterns At the end of this particular program cartridge pictured there are programs that play â ‚¬Ë Camptown Races â ‚¬ „˘ â ‚¬Ë Dixie â ‚¬ „˘ and â ‚¬Ë Americaâ ‚¬ „˘- a diversion demonstrating the programmersâ ‚¬ „˘ skills The memory in SEAC consisted of sixty-four mercury-filled glass tubes with one quartz crustal at each end one as a transmitter and one as a receiver Each acoustic delay line pictured right had a capacity of eight words- one word being a sequence of information bits in the form of sound waves traveling through mercury National Institute of Standards and Technology 1980-06-25 National Institute of Standards and Technology PD-USGov-NIST PD-USGov SEAC computer
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