Question Discussion & Solution

MCQ

Run time mapping from virtual to physical address is done by ____________

Memory management unit

CPU

PCI

None of the mentioned

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MCQ

Which algorithm chooses the page that has not been used for the longest period of time whenever the page required to be replaced?

first in first out algorithm

additional reference bit algorithm

least recently used algorithm

counting based page replacement algorithm

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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

Discussion

MCQ

If a page number is not found in the TLB, then it is known as a ____________

TLB miss

Buffer miss

TLB hit

All of the mentioned

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When using counters to implement LRU, we replace the page with the ____________

smallest time value

largest time value

greatest size

none of the mentioned

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Memory protection in a paged environment is accomplished by ____________

protection algorithm with each page

restricted access rights to users

restriction on page visibility

protection bit with each page

Discussion

Banking

Engineering

General

Medical

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category More Operating System Topics

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

Report Error

Community Discussion

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Report Error

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