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MCQ

The operating system maintains a ______ table that keeps track of how many frames have been allocated, how many are there, and how many are available.

page

mapping

frame

memory

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Users _______ that their processes are running on a paged system.

are aware

are unaware

may unaware

none of the mentioned

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In paged memory systems, if the page size is increased, then the internal fragmentation generally ____________

becomes less

becomes more

remains constant

none of the mentioned

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If working set window is too small ____________

it will not encompass entire locality

it may overlap several localities

it will cause memory problems

none of the mentioned

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Another solution to the problem of external fragmentation problem is to ____________

permit the logical address space of a process to be noncontiguous

permit smaller processes to be allocated memory at last

permit larger processes to be allocated memory at last

all of the mentioned

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A memory page containing a heavily used variable that was initialized very early and is in constant use is removed, then the page replacement algorithm used is ____________

LRU

LFU

FIFO

None of the mentioned

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Introduction to Operating System

Types

Services

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Threads

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Process Synchronization

Memory Management

Storage Management

Input Output Systems

Networking

Distributed Operating System

Protection and Security

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Linux

MS Windows

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Operating Systems Overview

Process Management

Finding and Processing Files

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