A locking protocol is one that ____________...

MCQ

A locking protocol is one that ____________

governs how locks are acquired

governs how locks are released

governs how locks are acquired and released

none of the mentioned

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MCQ

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

Discussion

MCQ

Consider the methods used by processes P1 and P2 for accessing their critical sections whenever needed, as given below. The initial values of shared boolean variables S1 and S2 are randomly assigned.

Method used by P1 :
while(S1==S2);
Critical section
S1 = S2;
 
Method used by P2 :
while(S1!=S2);
Critical section
S2 = not(S1);

Which of the following statements describes properties achieved?

Mutual exclusion but not progress

Progress but not mutual exclusion

Neither mutual exclusion nor progress

Both mutual exclusion and progress

Discussion

MCQ

A monitor is a module that encapsulates __________

shared data structures

procedures that operate on shared data structure

synchronization between concurrent procedure invocation

all of the mentioned

Discussion

MCQ

The system periodically performs checkpoints that consists of the following operation(s) ____________

Putting all the log records currently in main memory onto stable storage

putting all modified data residing in main memory onto stable storage

putting a log record onto stable storage

all of the mentioned

Discussion

MCQ

If no process is suspended, the signal operation ____________

puts the system into a deadlock state

suspends some default process execution

nothing happens

the output is unpredictable

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Banking

Engineering

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Medical

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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

Report Error

Community Discussion

Similar Questions

Report Error

Report Error

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