The personal computer industry began in 1977, when Apple, Radio Shack and Commodore introduced off-the-shelf computers as consumer products. Known as the "1977 Trinity," the Apple II, Radio Shack ...
In 1979, two M.I.T. computer-science alumni and a Harvard Business School graduate launched a new piece of computer software for the Apple II machine, an early home computer. Called VisiCalc, short ...
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