- 1959: The IBM 1401, a mainframe computer, was announced. It was the first computer that was mass-produced and sold to businesses.
- 1975: The Altair 8800, a microcomputer, was introduced. It was one of the first personal computers and was sold as a kit that had to be assembled by the user.
- 1977: The Apple II, a personal computer, was introduced. It was one of the first personal computers to come with a keyboard, a monitor, and a floppy disk drive.
- 1981: The IBM Personal Computer (IBM PC), a personal computer, was released. It was one of the first personal computers to use the Microsoft Disk Operating System (MS-DOS).
- 1984: The Apple Macintosh, a personal computer, was introduced. It was one of the first personal computers to use a graphical user interface (GUI).