Microsoft co-founders Paul Allen, left, and Bill Gates with an array of personal computers in the early 1980s. Microsoft’s decision to make software, rather than produce a PC of its own, defined its ...

Microsoft’s 6502 BASIC ran on the same CPU that powered the Apple II, Commodore 8-bit series, NES, and Atari 2600. Microsoft’s 6502 BASIC ran on the same CPU that powered the Apple II, Commodore 8-bit ...