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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 FIFO page replacement algorithms with 3 frames, the number of page faults is?

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MCQ

If the offset is legal ____________

it is used as a physical memory address itself

it is subtracted from the segment base to produce the physical memory address

it is added to the segment base to produce the physical memory address

none of the mentioned

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MCQ

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

Memory management unit

CPU

PCI

None of the mentioned

Discussion

MCQ

Segment replacement algorithms are more complex than page replacement algorithms because ____________

Segments are better than pages

Pages are better than segments

Segments have variable sizes

Segments have fixed sizes

Discussion

MCQ

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

modularity

locality

globalization

random access

Discussion

MCQ

The disadvantage of moving all process to one end of memory and all holes to the other direction, producing one large hole of available memory is ____________

the cost incurred

the memory used

the CPU used

all of the mentioned

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Engineering

General

Medical

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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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