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MCQ

The major part of swap time is _______ time.

waiting

transfer

execution

none of the mentioned

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MCQ

If there are 32 segments, each of size 1Kb, then the logical address should have ____________

13 bits

14 bits

15 bits

16 bits

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MCQ

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 LRU page replacement algorithm with 4 frames, the number of page faults is?

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MCQ

A process is thrashing if ____________

it spends a lot of time executing, rather than paging

it spends a lot of time paging than executing

it has no memory allocated to it

none of the mentioned

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MCQ

When the memory allocated to a process is slightly larger than the process, then ____________

internal fragmentation occurs

external fragmentation occurs

both internal and external fragmentation occurs

neither internal nor external fragmentation occurs

Discussion

MCQ

In the stack implementation of the LRU algorithm, a stack can be maintained in a manner ____________

whenever a page is used, it is removed from the stack and put on bottom

the bottom of the stack is the LRU page

the top of the stack contains the LRU page and all new pages are added to the top

none of the mentioned

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Introduction to Operating System

Types

Services

Structures

Processes

Threads

CPU Scheduling

Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

Unix

Linux

MS Windows

Mixed

Operating Systems Overview

Process Management

Finding and Processing Files

File Management

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