so IBM had to roll out the IBM7080, which was compatible, at least, with the 705. Both machines could run 650 code via emulation. Hardly a personal computer, this beast weighed over 23,000 pounds ...

By 1980 Apple has captured 50% of the personal computer market. In 1980 Microsoft is approached by IBM to develop BASIC for its personal computer project. The IBM PC is released in August ...