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MCQ

A memory buffer used to accommodate a speed differential is called ____________

stack pointer

cache

accumulator

disk buffer

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In internal fragmentation, memory is internal to a partition and ____________

is being used

is not being used

is always used

none of the mentioned

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Operating System maintains the page table for ____________

each process

each thread

each instruction

each address

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When a program tries to access a page that is mapped in address space but not loaded in physical memory, then ____________

segmentation fault occurs

fatal error occurs

page fault occurs

no error occurs

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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

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MCQ

In a system that does not support swapping ____________

the compiler normally binds symbolic addresses to relocatable addresses

the compiler normally binds symbolic addresses to physical addresses

the loader binds relocatable addresses to physical addresses

binding of symbolic addresses to physical addresses normally takes place during execution

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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

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Community Discussion

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