CPU Scheduling in Operating Systems

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Under which circumstances does preemptive scheduling take place?

When a process switches from the running state to the waiting state

What is the primary objective of CPU scheduling?

Maximize CPU utilization

In nonpreemptive scheduling, when does the process release the CPU?

When it terminates

What is the effect of higher CPU utilization on a heavily loaded system?

Higher CPU utilization increases system performance

What is the basis of multiprogrammed operating systems?

Switching the CPU among processes

What is the distinguishing feature of preemptive scheduling over nonpreemptive scheduling?

Preemptive scheduling can interrupt a running process to allocate CPU to another

What is the definition of turnaround time in CPU scheduling criteria?

The sum of periods spent waiting to get into memory, waiting in the ready queue, executing on the CPU, and doing I/O

What is the main disadvantage of First-Come, First-Served (FCFS) scheduling?

It often results in long average waiting times

How is CPU allocated in Priority Scheduling?

To the process with the highest priority

What is the primary focus of Shortest-Job-First (SJF) Scheduling?

Minimizing the average waiting time for a given set of processes

What is the definition of response time in CPU scheduling criteria?

The time from the submission of a request until the first response is produced

What is the primary drawback of using FCFS scheduling?

It frequently leads to high average waiting times

What is the key challenge with implementing Shortest-Job-First (SJF) scheduling?

Predicting the process value accurately

In which type of scheduling are equal-priority processes scheduled in FCFS order?

Priority Scheduling

What does Min Waiting Time represent in CPU scheduling criteria?

The sum of periods spent waiting in the ready queue

What represents Max CPU utilization – Throughput in CPU scheduling criteria?

(6 + 0 + 3) / 3

Test your knowledge of CPU scheduling in multiprogrammed operating systems. Learn about maximizing CPU utilization, preemptive scheduling, and managing processes in memory.

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