This week, The Straight Dope tackles an important, deeply puzzling question: what are all these useless keys and labels on my keyboard?

In some cases oddball keys were put on the PC keyboard (or to be more precise, included in the ASCII character set, most of which found its way onto the PC keyboard) because the developers figured they'd come in handy for something, and on the whole they have--programmers and developers have been able find a use for nearly every key on the keyboard, even if that use isn't obvious to the general computing public.
Learn the secrets of Scroll Lock, Pause, and the all-important SysRq by clicking More >

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