IBM 2250 with lightpen, 1965 — (source) Apollo Guidance Computer’s DSKY, 1966 — (source) Englebart’s NLS with the first mouse and the keys, a chording keyboard, 1968 — (source) Xerox Alto with the same inputs as the NLS, 1973 — (source) Symbolics's LM-2 with the “Space Cadet Keyboard”, 1981 — (source) The Canon