Which of the following is a process scheduling algorithm that allocates CPU to the process with the shortest remaining time? MCQ with Answer and Explanation
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Question #1
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What is the primary role of the scheduler in an OS?
Correct Answer: Option A
Explanation:
The CPU scheduler determines the order and duration of process execution to optimize system performance and fairness.
The CPU scheduler determines the order and duration of process execution to optimize system performance and fairness.
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Computer
Operating Systems
Question #2
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Which technology allows multiple distinct operating system instances to run simultaneously on a single physical host computer machine?
Correct Answer: Option A
Explanation:
Virtualization uses a hypervisor abstraction layer to divide physical hardware pools into multiple self-contained Virtual Machines (VMs) running separate operating systems.
Virtualization uses a hypervisor abstraction layer to divide physical hardware pools into multiple self-contained Virtual Machines (VMs) running separate operating systems.
This question belongs to:
Computer
Operating Systems
Question #3
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Which fundamental principle is used by an operating system to prevent user applications from directly overwriting or damaging crucial system code?
Correct Answer: Option A
Explanation:
Dual-mode operation provides hardware-level protection by separating execution into restricted User Mode (for user apps) and privileged Kernel Mode (for the OS kernel).
Dual-mode operation provides hardware-level protection by separating execution into restricted User Mode (for user apps) and privileged Kernel Mode (for the OS kernel).
This question belongs to:
Computer
Operating Systems
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