This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Who is the founder of Linux? A) Linux D. B) Stephen Linux. C) Linus Torvalds. D) Linus Albert. Show Answer Correct Answer: C) Linus Torvalds. 2. Which of these is not there on the task bar? A) Cortana search box. B) Windows Explorer. C) Start button. D) Close button. Show Answer Correct Answer: D) Close button. 3. No central location for storage. A) ADVANTAGE. B) DISADVANTAGE. C) All the above. D) None of the above. Show Answer Correct Answer: B) DISADVANTAGE. 4. Physical and mechanical components of a computer such as the monitor, mouse, chips, keyboard, etc. A) Firewall. B) Software. C) Supercomputer. D) Hardware. Show Answer Correct Answer: D) Hardware. 5. ..... is when the user switches on the computer after it has been completely turned off A) Cold boot. B) Warm boot. C) All the above. D) None of the above. Show Answer Correct Answer: A) Cold boot. 6. What is the full name of the DSM? A) Direct system module. B) Direct system memory. C) Demoralized system memory. D) Distributed shared memory. Show Answer Correct Answer: D) Distributed shared memory. 7. What is the role of the OS in cybersecurity? A) To enforce security policies and manage user access. B) To provide entertainment applications. C) To enhance graphics performance. D) To manage hardware components only. Show Answer Correct Answer: A) To enforce security policies and manage user access. 8. Which of the following is the process of starting or restarting a computer or mobile device? A) Booting. B) Launching. C) Loading. D) Keying. Show Answer Correct Answer: A) Booting. 9. Windows is an ..... A) Application software. B) Operating System. C) All the above. D) None of the above. Show Answer Correct Answer: B) Operating System. 10. One nibble is equivalent to how many bits? A) 2. B) 4. C) 8. D) 16. Show Answer Correct Answer: B) 4. 11. Each file can be also given a name that is useful to identify the file this is known as ..... A) File name. B) Extension name. C) Folder name. D) Icon name. Show Answer Correct Answer: A) File name. 12. Pressing F1 is a common way to invoke help in Windows? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 13. Firmware is software that is embedded in a hardware device. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 14. Windows Defender is a A) Tool which is used for detecting and removing malware. B) Tool used to display system information. C) Tool that optimizes memory usage. D) Tool that can be used instead of CHKDSK to check for errors on a hard drive. Show Answer Correct Answer: A) Tool which is used for detecting and removing malware. 15. Which of the following is not a Software? A) Mouse. B) MS-Word. C) MS-Excel. D) Paint. Show Answer Correct Answer: A) Mouse. 16. What is the process of starting or restarting a computer called? A) Booting. B) Power Cycling. C) Shutting Down. D) Rebooting. Show Answer Correct Answer: A) Booting. 17. Which of the following is a disadvantage of priority scheduling? A) It can lead to starvation of low-priority processes. B) It is difficult to implement. C) It requires more CPU time. D) It is not suitable for batch systems. Show Answer Correct Answer: A) It can lead to starvation of low-priority processes. 18. ..... is an embedded operating system resides on a ROM chip on a mobile device or consumer electronic device. A) Stand-alone OS. B) Server the. C) Mobile the. D) Free OS. Show Answer Correct Answer: C) Mobile the. 19. What is Role-Based Access Control (RBAC)? A) Access is granted based on user roles. B) Enforces strict access rules defined by the OS. C) Allows resource owners to define access. D) Uses dynamic attributes to grant access. Show Answer Correct Answer: A) Access is granted based on user roles. 20. Which of the following is a multi-processor operating system? A) Cellular IRIX. B) Windows Server 2016. C) From/OS. D) Solaris. Show Answer Correct Answer: D) Solaris. 21. What is an embedded system? A) A system that can be easily modified. B) A computer system dedicated to a specific task. C) A system that stores files in the cloud. D) A system that runs multiple operating systems. Show Answer Correct Answer: B) A computer system dedicated to a specific task. 22. BUSINESS SOFTWARE:Example of these are Finance Software, Accounting Software, Tax Preparation, etc. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. ..... are programs that designed to help users to be more productive with their personal tasks. A) Software. B) System Software. C) Application software. D) Utility program. Show Answer Correct Answer: C) Application software. 24. A company that offers services for accessing and using the internet is A) A network. B) A modem. C) An ISP(Internet Service Provider). D) A public Wi-Fi provider. Show Answer Correct Answer: C) An ISP(Internet Service Provider). 25. What is the purpose of the Memory Management Unit (MMU)? A) To handle I/O operations. B) To provide network connectivity. C) To manage CPU scheduling. D) To map virtual addresses to physical addresses. Show Answer Correct Answer: D) To map virtual addresses to physical addresses. ← PreviousNext →Related QuizzesClass 7 Computer Science Chapter 2 Operating System Quiz 1Class 7 Computer Science Chapter 2 Operating System Quiz 2Class 7 Computer Science Chapter 2 Operating System Quiz 3Class 7 Computer Science Chapter 2 Operating System Quiz 4Class 7 Computer Science Chapter 2 Operating System Quiz 5Class 7 Computer Science Chapter 2 Operating System Quiz 6Class 7 Computer Science Chapter 2 Operating System Quiz 7Class 7 Computer Science Chapter 2 Operating System Quiz 8Class 7 Computer Science Chapter 2 Operating System Quiz 9Class 7 Computer Science Chapter 2 Operating System Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books