A 101-key keyboard (U.S. layout) from IBM that superseded the PC/XT and AT keyboards. Introduced in 1985 as the Model M and standard on IBM's PS/2 computer, the Enhanced keyboard was used for more ...

QWERTY remains the most popular keyboard layout despite advancements ... Whether you believe the Kenbak-1 or IBM 5150 to be the first personal computer available to the public, both systems ...