10+ MCQ on OS (Operating System)

An operating system (OS) is a collection of software that manages and controls the hardware resources of a computer. It is the foundation of a computer system, providing an interface between the hardware and the software. The primary function of an operating system is to manage the hardware resources such as memory, processors, storage, and input/output devices. This enables applications and programs to run smoothly and efficiently on the computer.

Here are a few multiple-choice questions (MCQs) on OS (operating system)

1 What is the primary function of an operating system?

a) To manage hardware resources
b) To run applications
c) To manage user accounts
d) All of the above

Answer: a

2 Which of the following is not a type of operating system?

a) Desktop
b) Server
c) Gaming console
d) Database

Answer: c

3 Which of the following is not a popular Linux distribution?

a) Ubuntu
b) Windows
c) Debian
d) Fedora

Answer: b

4 What is the primary function of a file system in an operating system?

a) To manage memory
b) To organize and manage files and directories
c) To manage network connections
d) To manage user accounts

Answer: b

5 What is the difference between a kernel and a shell in an operating system?

a) A kernel is the core of the operating system, while a shell is a command-line interface
b) A shell is the core of the operating system, while a kernel is a command-line interface
c) Both a kernel and a shell are used to manage memory
d) Both a kernel and a shell are used to manage files and directories

Answer: a

6 Which of the following is a type of real-time operating system?

a) Windows
b) Linux
c) VxWorks
d) iOS

Answer: c

7 What is the purpose of virtual memory in an operating system?

a) To increase the amount of physical memory available to the system
b) To improve the performance of the file system
c) To improve the performance of the network connections
d) To improve the security of the system

Answer: a

8 Which of the following is not a function of a device driver in an operating system?

a) To manage input and output operations for a specific device
b) To manage the power state of the device
c) To provide a user interface for the device
d) To manage the memory allocation for the device

Answer: c

9 What is the primary function of a scheduler in an operating system?

a) To manage the allocation of CPU time to different processes
b) To manage the allocation of memory to different processes
c) To manage the allocation of disk space to different processes
d) To manage the allocation of network bandwidth to different processes

Answer: a

10 What is the purpose of a file system in an operating system?

a) To manage the allocation of disk space to different files and directories
b) To manage the allocation of memory to different processes
c) To manage the allocation of network bandwidth to different processes
d) To manage the allocation of CPU time to different processes

Answer: a

11 What is the primary function of a bootloader in an operating system?

a) To load the operating system kernel into memory
b) To manage the power state of the system
c) To manage the allocation of disk space
d) To manage the allocation of network bandwidth

Answer: a

12 What is the purpose of a virtual machine in an operating system?

a) To run multiple operating systems on a single physical machine
b) To improve the performance of the file system
c) To improve the security of the system
d) To manage the power state of the system

Answer: a

13 What is the role of a system call in an operating system?

a) To provide an interface for a process to request services from the kernel
b) To manage the allocation of CPU time to different processes
c) To manage the allocation of memory to different processes
d) To manage the allocation of disk space to different files and directories

Answer: a

14 What is the function of a memory management unit (MMU) in an operating system?

a) To manage the allocation of memory to different processes
b) To manage the allocation of disk space to different files and directories
c) To translate virtual memory addresses to physical memory addresses
d) To manage the allocation of network bandwidth to different processes

Answer: c

15 What is the role of a device manager in an operating system?

a) To manage the allocation of disk space to different files and directories
b) To manage the allocation of memory to different processes
c) To manage input and output operations for all system devices
d) To manage the power state of all system devices

Answer: c

How to answer “what is os mcq” correctly

To correctly answer “what is os mcq” questions, you should:

  1. Read the question carefully: Make sure you understand what the question is asking before attempting to answer it.
  2. Review the options: Look at all the options provided and eliminate any that you know are incorrect.
  3. Use your knowledge of operating systems: Use what you know about the different components and functions of operating systems to determine the correct answer.
  4. Double-check your answer: Before submitting your answer, make sure you have chosen the option that best fits the question.
  5. Understand the context of the question: Some questions might be referring to a specific operating system, so you should be sure you understand which OS is being discussed before answering the question.

It’s always a good idea to keep up with the latest developments in the field to ensure you are well-informed on the topic.

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