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Scheduling Queues and Process State Queuing Diagram

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Question

Let the time taken to switch between user and kernel modes of execution be $t_{1}$ while the time taken to switch between two processes be $t_{2}$ . Which of the following is TRUE?

A

t_{1} < t_{2}

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B

t_{1} = t_{2}

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C

nothing can be said about the relation between

t_{1}

and

t_{2}

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D

t_{1} > t_{2}

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Solution

The correct option is A $t_{1} < t_{2}$
Process switches or Context switch can occur in only kernel mode . So, for process switches first we have to move from user to kernel mode .

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