SEBA Class 9 Computer Science Chapter 2 Question Bank | Operating System and Its Importance

Computer Guide Team
June 27, 2026
Class IX Chapter 2 Question Bank

πŸ“‘ Quick Navigation

⭐ Very Short πŸ“ Short πŸ“š Long 🎀 Viva ✍ Fill Blanks ✅ True/False 🎯 Important ⚡ Revision
⭐ Very Short Answer Questions
Q1. What is an Operating System?
Answer: An Operating System (OS) is system software that acts as an interface between the user and the computer hardware.
Q2. What is the full form of OS?
Answer: Operating System.
Q3. What is the main function of an Operating System?
Answer: It manages computer hardware, software, memory, files and devices.
Q4. Name any two Operating Systems.
Answer: Windows and Linux.
Q5. Which company developed Windows?
Answer: Microsoft.
Q6. Which Operating System is open source?
Answer: Linux.
Q7. Which Operating System is used on iPhone?
Answer: iOS.
Q8. Which Operating System is used on Android phones?
Answer: Android.
Q9. What is BOSS?
Answer: Bharat Operating System Solutions developed by C-DAC.
Q10. What is Booting?
Answer: The process of starting a computer.
Q11. What is Multitasking?
Answer: Running multiple programs at the same time.
Q12. What is File Management?
Answer: Managing files and folders on a computer.
Q13. What is Memory Management?
Answer: Managing the computer's primary memory efficiently.
Q14. Which OS has fixed deadlines?
Answer: Real Time Operating System.
Q15. Name one Network Operating System.
Answer: UNIX.
Q16. What is Directory Structure?
Answer: A method of organizing files and folders in a hierarchical manner.
Q17. What is Processor Management?
Answer: It allocates processor time to different processes.
Q18. Which Operating System is developed by Apple?
Answer: macOS and iOS.
Q19. What is Interactive Operating System?
Answer: An Operating System that allows direct interaction between the user and the computer.
Q20. Why is an Operating System important?
Answer: It controls all computer resources and makes the computer easy to use.
πŸ“ Short Answer Questions
Q21. Define Operating System.
Answer: An Operating System (OS) is a collection of system programs that controls the overall operation of a computer. It acts as an interface between the user and the hardware and manages all computer resources efficiently.
Q22. Write any four functions of an Operating System.
Answer:
  • Memory Management
  • Processor Management
  • File Management
  • Device Management
Q23. Explain Memory Management.
Answer: Memory Management is the function of an Operating System that keeps track of the computer's primary memory, allocates memory to different programs and releases memory after the execution of programs.
Q24. Explain Processor Management.
Answer: Processor Management controls the CPU and allocates processor time among different processes. It ensures that every process gets a fair chance to execute.
Q25. Explain File Management.
Answer: File Management helps users create, delete, rename, copy, move and organize files and folders. It also maintains the directory structure.
Q26. Explain Device Management.
Answer: Device Management controls all input and output devices connected to the computer such as keyboard, mouse, printer, monitor and scanner using device drivers.
Q27. What is Booting? Explain its types.
Answer: Booting is the process of starting a computer. Types:
  • Cold Booting: Starting the computer after switching it ON.
  • Warm Booting: Restarting the computer without turning OFF the power.
Q28. What is Multitasking?
Answer: Multitasking is the ability of an Operating System to run multiple programs simultaneously.
Q29. What is Directory Structure?
Answer: Directory Structure is the method used by an Operating System to organize files and folders in a hierarchical tree-like structure for easy access.
Q30. Write the advantages of an Operating System.
Answer:
  • Easy interaction between user and computer.
  • Efficient management of hardware resources.
  • Supports multitasking.
  • Provides security.
  • Organizes files efficiently.
πŸ“š Long Answer Questions
Q31. Explain the functions of an Operating System.
Answer: The major functions of an Operating System are:
  • Memory Management: Allocates and manages memory efficiently.
  • Processor Management: Schedules and controls CPU execution.
  • File Management: Creates, deletes and manages files and folders.
  • Device Management: Controls all hardware devices through device drivers.
  • Security: Protects data and prevents unauthorized access.
  • User Interface: Provides communication between the user and the computer.
Q32. Explain the different types of Operating Systems.
Answer: The major types of Operating Systems are:
  1. Batch Operating System
  2. Multiprogramming Operating System
  3. Multitasking Operating System
  4. Multiuser Operating System
  5. Real-Time Operating System
  6. Network Operating System
  7. Distributed Operating System
Each type is designed to perform specific computing tasks efficiently.
Q33. Explain Windows Operating System.
Answer: Windows is a graphical Operating System developed by Microsoft. It provides a user-friendly interface, supports multitasking, networking, multimedia and thousands of software applications.
Q34. Explain Linux Operating System.
Answer: Linux is a free and open-source Operating System developed by Linus Torvalds. It is secure, stable and widely used in servers, supercomputers and educational institutions.
Q35. Explain Android Operating System.
Answer: Android is a mobile Operating System developed by Google. It is based on the Linux kernel and is widely used in smartphones, tablets and smart devices.
Q36. Explain macOS.
Answer: macOS is Apple's Operating System designed for Macintosh computers. It provides a secure, stable and user-friendly environment with high performance.
Q37. Explain BOSS Operating System.
Answer: BOSS (Bharat Operating System Solutions) is an Indian Linux-based Operating System developed by C-DAC. It supports Indian languages and promotes open-source computing.
Q38. Differentiate between Windows and Linux.
Windows Linux
Developed by Microsoft. Open-source Operating System.
Paid License. Free to use.
User-friendly. Highly secure.
Mostly used on Personal Computers. Mostly used on Servers.
Q39. Explain the importance of an Operating System.
Answer: The Operating System is essential because it controls all computer hardware and software resources. It manages memory, processor, files, devices, security and provides a platform for application software to run efficiently.
Q40. Explain the Booting Process.
Answer: Booting is the process of loading the Operating System into the computer's memory. Steps:
  1. Power ON the computer.
  2. BIOS performs POST (Power-On Self Test).
  3. Boot Loader loads the Operating System.
  4. Operating System starts running.
  5. Desktop or Login Screen appears.
🎀 Viva Questions
Q41. What is an Operating System?
Answer: An Operating System is system software that acts as an interface between the user and computer hardware.
Q42. What is the full form of OS?
Answer: Operating System.
Q43. Name any two Operating Systems.
Answer: Windows and Linux.
Q44. Who developed Windows?
Answer: Microsoft.
Q45. Who developed Linux?
Answer: Linus Torvalds.
Q46. What is BOSS?
Answer: Bharat Operating System Solutions developed by C-DAC.
Q47. What is Booting?
Answer: The process of starting a computer.
Q48. Name the two types of Booting.
Answer: Cold Booting and Warm Booting.
Q49. What is Multitasking?
Answer: Running multiple programs simultaneously.
Q50. What is Memory Management?
Answer: Managing the computer's primary memory.
Q51. What is Processor Management?
Answer: Managing CPU time among different processes.
Q52. What is File Management?
Answer: Managing files and folders.
Q53. What is Device Management?
Answer: Managing input and output devices.
Q54. What is a Directory?
Answer: A folder used to organize files.
Q55. Which OS is used on Android phones?
Answer: Android.
Q56. Which OS is used on Apple Mac computers?
Answer: macOS.
Q57. Which OS is open source?
Answer: Linux.
Q58. Which Operating System is developed in India?
Answer: BOSS.
Q59. Which software controls the entire computer?
Answer: Operating System.
Q60. What is the main purpose of an Operating System?
Answer: To manage hardware, software and provide an interface between user and computer.
✍ Fill in the Blanks
1. __________ is the interface between user and hardware.
Answer: Operating System
2. OS stands for __________.
Answer: Operating System
3. Windows is developed by __________.
Answer: Microsoft
4. Linux was developed by __________.
Answer: Linus Torvalds
5. Android is based on __________.
Answer: Linux
6. BOSS was developed by __________.
Answer: C-DAC
7. Starting a computer is called __________.
Answer: Booting
8. Restarting a computer is called __________ Booting.
Answer: Warm
9. Turning ON a computer from OFF state is called __________ Booting.
Answer: Cold
10. Managing memory is called __________ Management.
Answer: Memory
11. Managing CPU is called __________ Management.
Answer: Processor
12. Files are stored inside __________.
Answer: Directories (Folders)
13. Linux is an __________ source Operating System.
Answer: Open
14. macOS is developed by __________.
Answer: Apple
15. Android is mainly used in __________.
Answer: Smartphones
16. Windows is mainly used on __________.
Answer: Personal Computers
17. OS manages hardware and __________.
Answer: Software
18. The hierarchical arrangement of folders is called __________ Structure.
Answer: Directory
19. The Operating System provides a __________ interface.
Answer: User
20. __________ Operating System has fixed response time.
Answer: Real-Time
✅ True / False
1. Windows is an Operating System.
Answer: True
2. Linux is open-source software.
Answer: True
3. Android is based on Linux.
Answer: True
4. BOSS is developed by Microsoft.
Answer: False
5. Booting means shutting down a computer.
Answer: False
6. Warm Booting means restarting a computer.
Answer: True
7. Cold Booting starts the computer from OFF state.
Answer: True
8. Memory Management is a function of the Operating System.
Answer: True
9. File Management is performed by the Operating System.
Answer: True
10. Device Management controls hardware devices.
Answer: True
11. Linux is a paid Operating System.
Answer: False
12. macOS is developed by Apple.
Answer: True
13. Android is used in smartphones.
Answer: True
14. An Operating System manages software only.
Answer: False
15. BOSS is an Indian Operating System.
Answer: True
16. Real-Time OS is used where immediate response is required.
Answer: True
17. The Operating System provides security.
Answer: True
18. Windows is open-source software.
Answer: False
19. Directories help organize files.
Answer: True
20. Operating System is system software.
Answer: True
🎯 Most Important Exam Questions
Q61. Explain Operating System with its functions.
Q62. Explain the different types of Operating Systems.
Q63. Differentiate between Windows and Linux.
Q64. Explain Booting and its types with examples.
Q65. Explain Memory Management in detail.
Q66. Explain Processor Management.
Q67. Explain File Management with examples.
Q68. Explain Device Management.
Q69. Explain Directory Structure with a neat diagram.
Q70. Explain Windows Operating System.
Q71. Explain Linux Operating System.
Q72. Explain Android Operating System.
Q73. Explain macOS.
Q74. Write a short note on BOSS Operating System.
Q75. Explain the importance of an Operating System in a computer.
⚡ Last Minute Revision Questions
1. What is an Operating System?
2. Define Operating System.
3. What are the four main functions of an Operating System?
4. What is Memory Management?
5. What is Processor Management?
6. What is File Management?
7. What is Device Management?
8. What is Booting?
9. Name the two types of Booting.
10. What is Cold Booting?
11. What is Warm Booting?
12. What is Multitasking?
13. What is Directory Structure?
14. What is Windows?
15. What is Linux?
16. What is Android?
17. What is macOS?
18. What is BOSS?
19. Which Operating System is open source?
20. Which company developed Windows?
21. Which company developed macOS?
22. Who developed Linux?
23. What is the main purpose of an Operating System?
24. Name any four Operating Systems.
25. Why is an Operating System called System Software?

πŸ”₯ Exam Focus Topics

  • Definition of Operating System
  • Functions of Operating System
  • Memory Management
  • Processor Management
  • File Management
  • Device Management
  • Types of Operating System
  • Booting and its Types
  • Directory Structure
  • Windows Operating System
  • Linux Operating System
  • Android Operating System
  • macOS
  • BOSS Operating System
  • Advantages of Operating System
  • Difference between Windows and Linux

πŸ† Exam Success Tips

  • Learn all Operating System definitions.
  • Practice differences between Windows and Linux.
  • Remember all functions of the Operating System.
  • Revise Booting and its types.
  • Memorize BOSS, Android and macOS features.
  • Practice Viva Questions daily.
  • Solve Fill in the Blanks and True/False before the exam.
  • Revise Last Minute Questions one day before the examination.

🌟 HSLC Hot Questions

  1. Explain Operating System with its functions.
  2. Differentiate between Windows and Linux.
  3. Explain Booting with suitable examples.
  4. Explain Memory Management.
  5. Explain Processor Management.
  6. Explain File Management.
  7. Explain Device Management.
  8. Explain BOSS Operating System.
  9. Explain Android Operating System.
  10. Explain the importance of Operating System.