Functions of Operating System Class 7 MCQs
Functions of Operating System – Class 7 MCQs with Answers & Explanations
Class: CBSE Class 7
Subject: Computer Science
Section: Computer Software
Topic: Functions of Operating System
Subject: Computer Science
Section: Computer Software
Topic: Functions of Operating System
Strictly Based on NCERT Syllabus | Useful for CBSE Unit Tests • Half-Yearly • Annual Examinations
1. What is the main function of an Operating System?
Answer: b)
The operating system controls hardware, runs programs, and acts as an interface between user and computer.
The operating system controls hardware, runs programs, and acts as an interface between user and computer.
2. Which function manages files and folders?
Answer: a)
OS organizes, stores, and retrieves files through file management.
OS organizes, stores, and retrieves files through file management.
3. Booting means:
Answer: b)
Booting loads the operating system into memory when the computer starts.
Booting loads the operating system into memory when the computer starts.
4. Which manages RAM usage?
Answer: a)
The OS allocates and controls memory for programs.
The OS allocates and controls memory for programs.
5. Device management controls:
Answer: a)
It manages communication between OS and devices using drivers.
It manages communication between OS and devices using drivers.
6. User interface allows users to:
Answer: a)
GUI and CLI help users communicate with the system.
GUI and CLI help users communicate with the system.
7. Security function protects:
Answer: a)
Passwords and permissions keep data safe.
Passwords and permissions keep data safe.
8. Process management handles:
Answer: a)
It schedules and controls program execution.
It schedules and controls program execution.
9. Example of OS?
Answer: a)
Windows performs all OS functions.
Windows performs all OS functions.
10. File management helps in:
Answer: a)
Files are stored systematically for easy access.
Files are stored systematically for easy access.
11. OS provides:
Answer: a)
Applications run on OS environment.
Applications run on OS environment.
12. Which manages CPU time?
Answer: a)
It allocates CPU to different tasks.
It allocates CPU to different tasks.
13. GUI stands for:
Answer: a)
GUI uses icons and menus for interaction.
GUI uses icons and menus for interaction.
14. CLI stands for:
Answer: a)
Users type commands to interact.
Users type commands to interact.
15. OS controls:
Answer: a)
All devices are controlled by OS.
All devices are controlled by OS.
16. Multitasking means:
Answer: a)
OS allows multiple programs simultaneously.
OS allows multiple programs simultaneously.
17. OS manages input/output via:
Answer: a)
Drivers help communication with devices.
Drivers help communication with devices.
18. Password login is part of:
Answer: a)
It restricts unauthorized access.
It restricts unauthorized access.
19. OS scheduling ensures:
Answer: a)
It distributes CPU time efficiently.
It distributes CPU time efficiently.
20. Without OS computer is:
Answer: b)
Hardware cannot operate without an operating system.
Hardware cannot operate without an operating system.