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Which of the following processor states does not save power?

Which of the following processor states does not save power?

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A.
C2

B.
C1

C.
C3

D.
C0

Explanation:
The C0 processor state does not save power. It is an operational state.
Answer option B is incorrect. The C1 state is a powered down state, but the processor takes action
immediately on request. The C1 state uses less power than C0 state.

Answer option A is incorrect. The C2 state is also known as Stop-Clock. It uses less power than C1
state. In this state, the processor takes a little longer time than C1 state to come in action on the
request of applications.
Answer option C is incorrect. The C3 state is also known as the sleep mode. In this state, the
processor cache is flushed. In this state, the processor takes a few seconds to be available for action.


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