The first IBM Personal Computer, or PC, was announced by IBM on August 12, 1981. The original PC had an Intel 8088 microprocessor, 16 kilobytes (16 KB) of RAM, and an MS-DOS operating system.

The IBM PC revolutionized the personal computer industry. Prior to the IBM PC, most personal computers were based on the Atari 800 or Apple II. The IBM PC was based on the Intel 8088 microprocessor, which was more powerful than the processors used in the Atari 800 and Apple II.

The IBM PC also used the Microsoft MS-DOS operating system, which was more popular than the …