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MCQ

Physical memory is broken into fixed-sized blocks called ________

frames

pages

backing store

none of the mentioned

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Consider the following page reference string. 1 2 3 4 2 1 5 6 2 1 2 3 7 6 3 2 1 2 3 6 For FIFO page replacement algorithms with 4 frames, the number of page faults is?

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Working set model for page replacement is based on the assumption of ____________

modularity

locality

globalization

random access

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A virtual memory system uses First In First Out (FIFO) page replacement policy and allocates a fixed number of frames to a process. Consider the following statements. P : Increasing the number of page frames allocated to a process sometimes increases the page fault rate Q : Some programs do not exhibit locality of reference Which of the following is TRUE?

Both P and Q are true, and Q is the reason for P

Both P and Q are true, but Q is not the reason for P

P is false but Q is true

Both P and Q are false

Discussion

MCQ

The technique in which the CPU generates physical addresses directly is known as ____________

relocation register method

real addressing

virtual addressing

none of the mentioned

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MCQ

The ___________ swaps processes in and out of the memory.

Memory manager

CPU

CPU manager

User

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Networking

Distributed Operating System

Protection and Security

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Linux

MS Windows

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