Operating System Solved MCQs

Operating System MCQS

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

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

a. Layered OS

b. Monolithic OS

c. Microkernel OS

d. All

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2. Operating system is a collection of

a. Input-output devices

b. Hardware components

c. Software routines

d. All

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3. 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. Main

d. Bootstrap

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4. What does OS X has?

a. microkernel

b. hybrid kernel

c. monolithic kernel

d. monolithic kernel with modules

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

a. Memory overflow occurs

b. The operating system chooses a process to suspend

c. The system experiences a crash

d. The process encounters a failure

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

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

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

c. It represents typical network usage through noise characterization

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

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

a. QNX

b. RTLinux

c. VxWorks

d. Palm OS

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8. Which is not application software?

a. windows nt

b. page maker

c. winword xp

d. photoshop

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

a. Stateless

b. State

c. IP address

d. Operating system

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10. CPU scheduling is the basis of:

a. none

b. multiprogramming operating systems

c. multiprocessor systems

d. larger memory sized systems

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

a. Boot loader

b. Process control block (PCB)

c. Bootstrap

d. File control block

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

a. Assembly instructions

b. System calls

c. Library

d. API

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

a. has not been lost

b. has been sent

c. has which identifier

d. all

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14. In a real-time operating system, ____________.

a. A task must be completed within its specified deadline

b. Process scheduling can occur only once

c. The kernel is unnecessary

d. All tasks share the same priority level

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15. FIFO scheduling is

a. Deadline scheduling

b. Fair-share scheduling

c. Preemptive scheduling

d. Non-preemptive scheduling

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

a. split allocation algorithm

b. All

c. equal allocation algorithm

d. proportional allocation algorithm

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17. The FCFS scheduling algorithm poses significant challenges for ____________.

a. Time-sharing systems

b. Multiprogramming systems

c. Operating systems

d. Multiprocessor systems

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18. The Virtual memory is:

a. A large secondary memory

b. An illusion of a large main memory

c. None

d. A large main memory

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

a. process control

b. dos

c. windows xp

d. lynx ms

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

a. Input/output control program

b. Job control program

c. Performance monitor

d. Supervisor

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The average score is 52%

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

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