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Operating System Components: Main Memory Management

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Questions and Answers

What is the fundamental principle of process execution that CPU scheduling relies on?

The cycle of CPU execution and I/O wait

What is the purpose of a hardware clock generating interrupts periodically?

To give each process on a multiprogrammed machine a fair share of the CPU

What is the term for the switch of the CPU from one process to another?

Context switch

Under what circumstances do CPU scheduling decisions take place?

When a process switches between running, waiting, or ready states, or when a process terminates Signup and view all the answers

What is the primary reason for a process switching from the running state to the waiting state?

I/O request or invocation of wait for the termination of one of the child processes Signup and view all the answers

What is the significance of the ready state in process management?

It allows a process to be scheduled to run on the CPU Signup and view all the answers

How does the operating system schedule all processes in main memory?

Using a scheduling algorithm Signup and view all the answers

What is the purpose of preemptive scheduling in process management?

To ensure that the CPU is allocated fairly among all processes Signup and view all the answers

What happens when a process switches from the waiting state to the ready state?

Completion of I/O Signup and view all the answers

What is the ultimate goal of CPU scheduling in process management?

To ensure that each process on a multiprogrammed machine gets a fair share of the CPU Signup and view all the answers

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