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What is the degree of multiprogramming?

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What is the degree of multiprogramming?

(a) the number of processes executed per unit time

(b) the number of processes in the ready queue

(c) the number of processes in the I/O queue

(d) the number of processes in memory

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This interesting question is from Process Control Block topic in division Processes of Operating System

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Correct answer is (d) the number of processes in memory

Best explanation: Multiprogramming means the number of processes are in the ready states. To increase utilization of CPU, Multiprogramming is one of the most important abilities of OS. Generally, a single process cannot use CPU or I/O at all time, whenever CPU or I/O is available another process can use it. By doing this CPU utilization is increased.

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