The Xerox Alto is considered to be the first workstation that was introduced in 1974. For its time, it was an innovative computer that contained a fully functional computer, mouse, and screen or a display. The computer worked like most computers today that uses icons and menus, windows as an interface for its operating system. On 9 December 1968, Douglas Engelbart demonstrated the different functionalities of a computer’s in Mother of All Demos. Additionally, the Xerox Alto computer was never sold. Also, on 15 November 1971, the first microprocessor, Intel 4004, was introduced by Intel.