Operating System Solved MCQs

Operating System MCQS

Operating System Solved MCQs for Computer Instructor B-17 | AJKPSC & PPSC Exam Preparation

1 / 20

In which type of operating system can a misbehaving system component be easily terminated/killed at runtime?

a. All

b. Layered OS

c. Microkernel OS

d. Monolithic OS

2 / 20

Operating system is a collection of

a. All

b. Software routines

c. Input-output devices

d. Hardware components

3 / 20

To recover from failures in network operations, _____________ information may be retained.

a. State

b. IP address

c. Stateless

d. Operating system

4 / 20

Which of the following is not a part of the operating system?

a. Input/output control program

b. Supervisor

c. Job control program

d. Performance monitor

5 / 20

If the total working set sizes exceed the available frames, ____________.

a. The system experiences a crash

b. The process encounters a failure

c. Memory overflow occurs

d. The operating system chooses a process to suspend

6 / 20

The FCFS scheduling algorithm poses significant challenges for ____________.

a. Time-sharing systems

b. Multiprogramming systems

c. Multiprocessor systems

d. Operating systems

7 / 20

Which of the following is an example of a real time operating system?

a. dos

b. process control

c. windows xp

d. lynx ms

8 / 20

CPU scheduling is the basis of:

a. larger memory sized systems

b. none

c. multiprogramming operating systems

d. multiprocessor systems

9 / 20

What does OS X has?

a. microkernel

b. monolithic kernel with modules

c. monolithic kernel

d. hybrid kernel

10 / 20

The Virtual memory is:

a. An illusion of a large main memory

b. A large main memory

c. None

d. A large secondary memory

11 / 20

In a real-time operating system, ____________.

a. All tasks share the same priority level

b. A task must be completed within its specified deadline

c. The kernel is unnecessary

d. Process scheduling can occur only once

12 / 20

A process can never be sure that a signal it has sent

a. has not been lost

b. has which identifier

c. all

d. has been sent

13 / 20

Which one of the following is not a real time operating system?

a. RTLinux

b. Palm OS

c. QNX

d. VxWorks

14 / 20

The _______ program sets up all components of the system, including CPU registers, device controllers, and main memory contents, before starting the operating system.

a. Bootloader

b. RAM

c. Bootstrap

d. Main

15 / 20

What are the features of a stack-based Intrusion Detection System (IDS)?

a. It represents typical network usage through noise characterization

b. These systems are tightly integrated with the TCP/IP stack to monitor packets

c. It is designed to analyze a specific sequence of packets

d. The audit information is recorded by the host operating system

16 / 20

On systems with multiple operating systems, the choice to load a specific one is made by?

a. Process control block (PCB)

b. File control block

c. Boot loader

d. Bootstrap

17 / 20

Allocation of memory to each process according to its size is known as :

a. proportional allocation algorithm

b. All

c. equal allocation algorithm

d. split allocation algorithm

18 / 20

FIFO scheduling is

a. Fair-share scheduling

b. Deadline scheduling

c. Non-preemptive scheduling

d. Preemptive scheduling

19 / 20

To access the services of the operating system, the interface is provided by the…..?

a. System calls

b. Assembly instructions

c. Library

d. API

20 / 20

Which is not application software?

a. page maker

b. winword xp

c. windows nt

d. photoshop

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The average score is 50%

Operating System Solved MCQs for Computer Instructor B-17 | AJKPSC & PPSC Exam Preparation

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