Question Discussion & Solution

MCQ

A deadlock free solution to the dining philosophers problem ____________

necessarily eliminates the possibility of starvation

does not necessarily eliminate the possibility of starvation

eliminates any possibility of any kind of problem further

none of the mentioned

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MCQ

Semaphore is a/an _______ to solve the critical section problem.

hardware for a system

special program for a system

integer variable

none of the mentioned

Discussion

MCQ

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

Discussion

MCQ

Every time a request for allocation cannot be granted immediately, the detection algorithm is invoked. This will help identify ____________

the set of processes that have been deadlocked

the set of processes in the deadlock queue

the specific process that caused the deadlock

all of the mentioned

Discussion

MCQ

The bounded buffer problem is also known as ____________

Readers-Writers Problem

Dining- Philosophers Problem

Producer- Consumer Problem

None of the mentioned

Discussion

MCQ

All processes share a semaphore variable mutex, initialized to 1. Each process must execute wait(mutex) before entering the critical section and signal(mutex) afterward.
Suppose a process executes in the following manner.


signal(mutex);
.....
critical section
.....
wait(mutex);

In this situation :

a deadlock will occur

processes will starve to enter critical section

several processes maybe executing in their critical section

all of the mentioned

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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

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