Class 7 Computer Science Chapter 2 Operating System Quiz 28 (14 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. In a simple operating system, which of the following is responsible for managing system resources such as CPU time and memory?

Correct Answer: C) Kernel.

2. The wait operation of the semaphore basically works on the basic ..... system call.

Correct Answer: A) Block().

3. When did microsoft release the source code for MS-DOS 1.25 and 2.0

Correct Answer: B) 2018.

4. What is the main disadvantage of using the FIFO page replacement algorithm?

Correct Answer: A) It can lead to Belady's anomaly.

5. Is Sideloading recommended for users?

Correct Answer: B) No.

6. The English Equivalent Term of "Memory Distribution" is

Correct Answer: A) Memory allocation.

7. How do you share a file?

Correct Answer: A) Right-click on the file and choose 'Share'.

8. THIS BOX APPEARS ON THE DESKTOP WHEN WE START A PROGRAM

Correct Answer: A) WINDOW.

9. What is OS hardening?

Correct Answer: A) The process of securing an operating system by reducing its attack surface.

10. Operating System is not responsible to manage all resources

Correct Answer: B) False.

11. Windows utility that helps you manage your computer storage configuration.

Correct Answer: C) Disk Management.

12. The run-time mapping from virtual to physical addresses is done by a hardware device properly called:

Correct Answer: D) Neither.

13. GUI is the term of

Correct Answer: B) Graphical user interface.

14. The organisation of memory into fixed-sized units

Correct Answer: A) Paging.