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Operating System Chapter 9: Uniprocessor Scheduling

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Questions and Answers

What is the primary aim of processor scheduling?

To minimize queueing delay and optimize performance (correct)
To allocate resources among processes
To reduce the overhead of context switching
To improve the security of the system

In the context of processor scheduling, what do the terms 'long term', 'medium term', and 'short term' refer to?

The types of processes being executed
The frequency of context switching
The priority of different scheduling algorithms
The relative time scales of scheduling functions (correct)

What is the significance of Figure 9.3 in the context of processor scheduling?

It shows the relationship between scheduling and queueing delay (correct)
It illustrates the concept of process migration
It depicts the structure of a process control block
It highlights the importance of context switching

What is the fundamental aspect of processor scheduling?

Managing queues to minimize queueing delay (D) Signup and view all the answers

What are the three separate functions of processor scheduling?

Long-term scheduling, medium-term scheduling, and short-term scheduling (B) Signup and view all the answers

What is the primary function of the long-term scheduler in a multiprogramming system?

To control the degree of multiprogramming (D) Signup and view all the answers

What is the main objective of short-term scheduling criteria?

To allocate processor time to optimize system performance (D) Signup and view all the answers

What is the primary difference between preemptive and non-preemptive scheduling?

Whether a running process can be interrupted and moved to the ready state (A) Signup and view all the answers

What type of process is favored by the First-Come-First-Served (FCFS) scheduling algorithm?

CPU-bound processes (D) Signup and view all the answers

What is the purpose of the selection function in process scheduling?

To decide which process to execute next among ready processes (B) Signup and view all the answers

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