The Gold Tooth writes: Professor Sir Maurice Wilkes, who died on Nov. 29 aged 97, led the Cambridge University team that built the world’s first operational stored-program computer. The computer, known as EDSAC (Electronic Delay Storage Automatic Calculator) was a huge contraption that took up a room in what was the University’s old Mathematical Library. It contained 3,000 vacuum valves arranged on 12 racks and used tubes filled with mercury for memory. Despite its impressive size, it could only carry out 650 operations per second.
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