Question Discussion & Solution

MCQ

The monitor construct ensures that ____________

only one process can be active at a time within the monitor

n number of processes can be active at a time within the monitor

the queue has only one process in it at a time

all of the mentioned

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MCQ

A collection of instructions that performs a single logical function is called ____________

transaction

operation

function

all 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

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

Discussion

MCQ

Deadlock prevention is a set of methods ____________

to ensure that at least one of the necessary conditions cannot hold

to ensure that all of the necessary conditions do not hold

to decide if the requested resources for a process have to be given or not

to recover from a deadlock

Discussion

MCQ

What are the two atomic operations permissible on semaphores?

wait

stop

hold

none of the mentioned

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Types

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Distributed Operating System

Protection and Security

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Linux

MS Windows

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