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Introduction to Operating Systems

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Questions and Answers

What is the primary goal of multiprogramming in an operating system?

To reduce memory management

To increase CPU utilization (correct)

To decrease I/O device utilization

To allocate devices among jobs

What happens when a job is waiting for an I/O operation in a multiprogramming system?

The OS waits for the I/O operation to complete

The OS switches to another job and starts executing it (correct)

The CPU becomes idle

The job is terminated

What is the primary function of memory management in a multiprogramming system?

To allocate devices among jobs

To schedule the CPU among jobs

To switch between jobs

To allocate memory to several jobs (correct)

What is the characteristic of a time-sharing system?

The CPU is switching among several jobs that are kept in memory Signup and view all the answers

What is the benefit of multiprogramming in terms of CPU utilization?

It increases CPU utilization Signup and view all the answers

What is the purpose of CPU scheduling in a multiprogramming system?

To choose among several jobs ready to run Signup and view all the answers

What is the primary advantage of multiprogramming?

It allows for multiple jobs to be executed concurrently Signup and view all the answers

What is the relationship between the jobs kept in RAM in a multiprogramming system?

They are a subset of all jobs Signup and view all the answers

What happens when a job is executed in a multiprogramming system?

The job is executed concurrently with other jobs Signup and view all the answers

What is the primary function of the OS in a multiprogramming system?

To switch between jobs and execute them concurrently Signup and view all the answers