10th class Computer Science and Entrepreneurship, Chapter 1: Operating Systems: Structure and Services MCQs

1. Which is NOT an example of an operating system?

1. (A) Linux
2. (B) Windows
3. (C) Photoshop ✓
4. (D) macOS

2. In multi-user environments, the OS ensures:

1. (A) Equal access and data privacy ✓
2. (B) All users share the same files
3. (C) Hardware is never used
4. (D) Internet speed is increased

3. In Windows, user accounts can be created via:

1. (A) Task Manager
2. (B) Control Panel or Settings ✓
3. (C) Disk Management
4. (D) BIOS settings

4. The core part of the OS that interacts directly with hardware is the:

1. (A) Shell
2. (B) Kernel ✓
3. (C) Device Driver
4. (D) System Library

5. A graphical shell allows the user to:

1. (A) Type commands only
2. (B) Click icons and use menus ✓
3. (C) Interact only via code
4. (D) Access only the BIOS

6. In the FCFS scheduling method, processes are served:

1. (A) Randomly
2. (B) Shortest job first
3. (C) In the order they arrive ✓
4. (D) By priority only

7. Threads in the same process:

1. (A) Have separate memory spaces
2. (B) Share the same memory and resources ✓
3. (C) Run on different OS
4. (D) Cannot run simultaneously

8. Which system call is used to create a new process?

1. (A) open
2. (B) read
3. (C) write
4. (D) fork ✓

9. An operating system is a type of:

1. (A) System software ✓
2. (B) Application software
3. (C) Utility software
4. (D) Programming language

10. Which type of software manages computer hardware, runs application software and provides a user interface to the user?

1. (A) Operating system ✓
2. (B) Device Driver
3. (C) Utility software
4. (D) Text Editor

11. Which of the following is NOT an example of an operating system?

1. (A) Android
2. (B) macOS
3. (C) Linux
4. (D) BIOS ✓

12. The operating system acts as a ________ of the computer system.

1. (A) Traffic controller ✓
2. (B) Database
3. (C) Compiler
4. (D) Text Editor

13. Which of the following is managed by the operating system?

1. (A) Memory
2. (B) Devices
3. (C) Processes
4. (D) All ✓

14. The operating system acts as a translator between:

1. (A) Software and internet
2. (B) User and hardware ✓
3. (C) CPU and RAM
4. (D) Input and output devices

15. Computers understand instructions written in:

1. (A) English
2. (B) Machine language ✓
3. (C) French
4. (D) Urdu

16. The ON state in binary is represented by:

1. (A) 0
2. (B) 1 ✓
3. (C) 2
4. (D) A

17. The OFF state in binary is represented by:

1. (A) 0 ✓
2. (B) 1
3. (C) 2
4. (D) A

18. When you press the letter A on the keyboard, it is converted into and sent as:

1. (A) Sound signal
2. (B) Binary code ✓
3. (C) Image
4. (D) Video

19. The binary representation of the letter A is:

1. (A) 11100001
2. (B) 01000001 ✓
3. (C) 00001111
4. (D) 10101010

20. Which of the following is NOT a primary function of an Operating System?

1. (A) Managing users
2. (B) Protecting data
3. (C) Sharing resources
4. (D) Designing graphics ✓