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MCQ

The signal operation of the semaphore basically works on the basic _______ system call.

continue()

wakeup()

getup()

start()

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To avoid deadlock ____________

there must be a fixed number of resources to allocate

resource allocation must be done only once

all deadlocked processes must be aborted

inversion technique can be used

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Those processes should be aborted on occurrence of a deadlock, the termination of which?

is more time consuming

incurs minimum cost

safety is not hampered

all of the mentioned

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What is a mutex?

is a binary mutex

must be accessed from only one process

can be accessed from multiple processes

none of the mentioned

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In the bakery algorithm to solve the critical section problem ____________

each process is put into a queue and picked up in an ordered manner

each process receives a number (may or may not be unique) and the one with the lowest number is served next

each process gets a unique number and the one with the highest number is served next

each process gets a unique number and the one with the lowest number is served next

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To enable a process to wait within the monitor __________

a condition variable must be declared as condition

condition variables must be used as boolean objects

semaphore must be used

all of the mentioned

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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

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