Translating by qhwdw

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qhwdw 2018-01-30 10:10:07 +08:00
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[What does an idle CPU do?][1]
Translating by qhwdw [What does an idle CPU do?][1]
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In the [last post][2] I said the fundamental axiom of OS behavior is that at any given time, exactly one and only one task is active on a CPU. But if there's absolutely nothing to do, then what?