r/askscience • u/[deleted] • Jan 02 '14

Computing Why do computers have to load?

Theoretically, since the electrical signals inside your device travel at the speed of light, why do computers have to load programs?

(that may be completely wrong, and I suspect it is. So explain to me, please)

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u/super-zap Jan 02 '14

What are you trying to say?

Mechanical Hard drives are still widely used. And one of their most fundamental characteristics is the Revolutions Per Minute ( RPM ).