Question: The Processor Control Register (PCR) contains a bit that controls the whether the CPU is executing instructions in user or kernel mode. The task data

The Processor Control Register (PCR) contains a bit that controls the whether the CPU is executing instructions in user or kernel mode. The task data structure for each process contains an integer utime field that keeps track of how much CPU time each process has spent in user mode.

a. Explain in detail how the utime field in the task data structure is updated on each clock tick. Include all changes made to the PCR and Program Counter (PC).

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