Boost your exam preparation with complete SEBA Class 9 Computer Science Chapter 2 (Operating System and Graphical User Interface) extra questions and answers for the 2026–27 academic year. Access curated short answer questions, Very Short Answer Questions (VSAQs), long conceptual questions, fill in the blanks, and high-yield exam notes to score top marks in your annual computer science exams.
1. Q: What is an Operating System (OS)?
Answer: An operating system is software that acts as a bridge between the user and the computer hardware and manages all computer resources.
2. Q: Why do we need an Operating System?
Answer: We need an operating system to manage hardware and software resources, provide a user interface, and make computers easier to use.
3. Q: Name any three popular operating systems.
Answer: Windows, Linux, and macOS are popular operating systems.
4. Q: Mention any two main goals of an Operating System.
Answer: One main goal of an operating system is to make the computer system convenient to use. Another goal is to use hardware resources efficiently.
5. Q: What are the basic tasks of an Operating System?
Answer: The basic tasks of an operating system include file management, memory management, process management, input and output handling, and device control.
6. Q: What is Processor Management?
Answer: Processor management decides which process gets to use the CPU and for how long to ensure efficient processing.
7. Q: What is Memory Management?
Answer: Memory management keeps track of memory usage, allocates memory to processes, and frees memory when it is no longer needed.
8. Q: What is Device Management?
Answer: Device management controls and manages all input and output devices using device drivers.
9. Q: What is File Management?
Answer: File management organizes files and folders, stores data, and controls access to files.
SEBA Class 9 Computer Science Chapter 2 Extra Questions
10. Q: What is Information Management?
Answer: Information management handles the storage, processing, and retrieval of data and information.
11. Q: What is Booting in an Operating System?
Answer: Booting is the process of loading the operating system into the main memory when the computer starts.
12. Q: What is a User Interface?
Answer: A user interface is the part of the operating system that allows users to interact with the computer, such as a graphical user interface.
13. Q: What is Multitasking?
Answer: Multitasking is the ability of an operating system to run multiple programs at the same time.
14. Q: What is Resource Management?
Answer: Resource management involves managing the CPU, memory, and input and output devices to ensure efficient execution of programs.
15. Q: How does an Operating System provide security?
Answer: An operating system provides security by controlling access to system resources and protecting data from unauthorized users.
Class 9 Computer Science Chapter 2 Important Questions SEBA 2026-27
16. Q: What is a Batch Processing Operating System?
Answer: A batch processing operating system groups similar jobs into batches and processes them together without user interaction.
17. Q: What is a Distributed Operating System?
Answer: A distributed operating system shares tasks among multiple computers or servers to improve speed and efficiency.
18. Q: What is a Real-Time Operating System (RTOS)?
Answer: A real-time operating system completes tasks within fixed deadlines and is used in systems such as robots and flight control systems.
19. Q: What is an Interactive Operating System?
Answer: An interactive operating system allows direct communication between users and computers, such as Windows and macOS.
20. Q: What is a Time-Sharing Operating System?
Answer: A time-sharing operating system allows multiple users to share CPU time simultaneously by giving each user a small time slot.
SEBA Class 9 Computer Science Ch 2 VSAQ Notes
21. Q: What is a Network Operating System?
Answer: A network operating system manages network resources such as file sharing, printers, and user access.
22. Q: Who developed the Windows Operating System?
Answer: Microsoft developed the Windows operating system in the mid-1980s.
23. Q: Who developed the Unix Operating System?
Answer: The Unix operating system was developed by Ken Thompson and Dennis Ritchie at Bell Labs in 1969.
24. Q: What is Linux?
Answer: Linux is a free and open-source operating system based on Unix.
25. Q: What is macOS?
Answer: macOS is Apple’s operating system designed for Mac computers.
Operating System Class 9 Extra Question Answer SEBA
26. Q: What is iOS?
Answer: iOS is Apple’s mobile operating system designed for devices such as the iPhone and iPad.
27. Q: What is Android OS?
Answer: Android is an open-source mobile operating system based on the Linux kernel and is mainly used for touch-based devices.
28. Q: What is BOSS OS?
Answer: BOSS, which stands for Bharat Operating System Solutions, is an Indian Linux distribution developed by C-DAC, Chennai.
29. Q: What is the difference between a 32-bit and a 64-bit Operating System?
Answer: A 32-bit operating system can use up to 4 GB of RAM, while a 64-bit operating system can access much more memory and generally runs faster.
30. Q: What is a Directory Structure?
Answer: A directory structure is a hierarchical arrangement of files and folders that helps in organizing and managing data efficiently.
Class 9 Computer Science SEBA Board Exam Notes 2026-27
💻 Exam Special Extra Questions Notice: This page provides high-yield SEBA Class 9 Computer Science Chapter 2 Extra Questions & Answers updated for the 2026–27 academic session. All additional Very Short Answer Questions (VSAQs), operating system functions, GUI vs. CLI comparisons, and file/folder management notes strictly follow the latest revised Assam Board curriculum.
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