Virtual Labs

1. which of the following state transitions are possible? 1. Ready -> Running 2. Running -> Wait 3. Terminated -> Running 4. Ready -> Wait 5. Wait ->Ready

a: 1,2,5 Explanation

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b: 1,2,3 Explanation

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c: 3,4,5 Explanation

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d: None of the mentioned Explanation

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2. What is an interrupt in an operating system?

a: A process that is waiting for a resource to become available Explanation

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b: A request for the operating system to perform a specific task on behalf of a process Explanation

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c: A mechanism for processes to communicate with each other Explanation

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d: An error that occurs when a program attempts to perform an illegal operation Explanation

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3. What are the possible ways that the process can leave the CPU? 1.When process is terminated 2.When process is preempted 3.When it receives an I/O call 4.When it receives an interrupt 5.When the I/O requirement is completed

a: 1,2,3,5 Explanation

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b: 1,2,3,4 Explanation

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c: 1,2 Explanation

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d: All of the above Explanation

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4. When the process is in the blocked/wait stage it does not require a CPU.

a: true Explanation

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b: false Explanation

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5. What are the possible operations that can be done to a process?

a: Creation of a process Explanation

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b: Execution of a process Explanation

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c: Termination of a process Explanation

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d: All of the above Explanation

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6. In a multiprogramming operating system, processes in the Ready state are stored in the:

a: Process control block Explanation

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b: Disk queue Explanation

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c: Job queue Explanation

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d: Ready queue Explanation

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7. What is the purpose of a timer interrupt?

a: To allow processes to communicate with each other Explanation

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b: To perform I/O operations Explanation

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c: To prevent a process from monopolizing the CPU Explanation

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d: To manage virtual memory Explanation

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Process Life Cycle Management