Question: Every preemption of one task by another task potentially results in some context switch activities: one switch from the lower - priority task and one

Every preemption of one task by another task potentially results in some context switch
activities: one switch from the lower-priority task and one switch back again when the preempting
task completes. This means that each time a higher-priority task \tau h preempts a lower-priority task
\tau l, the OS must perform the following actions

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