Assertion: pc keyboard | /r/HasAspect | 10 function keys
Facets:
Source sentences:
text: The original IBM PC keyboard (PC/XT, 1981) had 10 function keys (F1–F10) in a 2×5 matrix at the left of the keyboard; this was replaced by 12 keys in 3 blocks of 4 at the top of the keyboard in the Model M ("Enhanced", 1984).[citation needed]