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MCQ

What is a semaphore?

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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MCQ

A state is safe, if ____________

the system does not crash due to deadlock occurrence

the system can allocate resources to each process in some order and still avoid a deadlock

the state keeps the system protected and safe

all of the mentioned

Discussion

MCQ

The segment of code in which the process may change common variables, update tables, write into files is known as ____________

program

critical section

non

synchronizing

Discussion

MCQ

The two ways of aborting processes and eliminating deadlocks are ____________

Abort all deadlocked processes

Abort all processes

Abort one process at a time until the deadlock cycle is eliminated

All of the mentioned

Discussion

MCQ

What is a reusable resource?

that can be used by one process at a time and is not depleted by that use

that can be used by more than one process at a time

that can be shared between various threads

none of the mentioned

Discussion

MCQ

The dining-philosophers problem will occur in case of ____________

5 philosophers and 5 chopsticks

4 philosophers and 5 chopsticks

3 philosophers and 5 chopsticks

6 philosophers and 5 chopsticks

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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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