This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Computer Science Chapter 2 Operating System – Quiz 53 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Computer Science Chapter 2 Operating System Quiz 53 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How do you restore a file? A) Go to the recycle bin and right-click on the file and choose 'Restored'. B) Download the file again. C) After removing the file, make it again. D) Empty the recycle bin. Show Answer Correct Answer: A) Go to the recycle bin and right-click on the file and choose 'Restored'. 2. Which of the following best describes the concept of 'paging' in memory management? A) Dividing memory into segments based on process requirements. B) Dividing memory into fixed-size blocks for easier management. C) Swapping entire processes in and out of memory. D) Allocating memory dynamically based on demand. Show Answer Correct Answer: B) Dividing memory into fixed-size blocks for easier management. 3. What role does the operating system play when multiple programs are running on a computer? A) It ensures that only one program can run at a time. B) It coordinates the CPU, memory, and storage for all running programs. C) It shuts down unnecessary programs to free up resources. D) It restricts access to the CPU and memory. Show Answer Correct Answer: B) It coordinates the CPU, memory, and storage for all running programs. 4. The ..... is an anti-malware tool found in newer OS, which is designed for protecting computers from viruses, spyware & other malware. A) Norton Antivirus. B) Windows Defender. C) Anti-malware. D) Microsoft Security Essentials. Show Answer Correct Answer: B) Windows Defender. 5. The instructions for starting a computer are stored in A) RAM. B) CD-ROM. C) ROM. D) Processor. Show Answer Correct Answer: C) ROM. 6. Which operating system has more relative advantages A) Single user operating system. B) Multi user operating system. C) All the above. D) None of the above. Show Answer Correct Answer: A) Single user operating system. 7. Which of the following is an order to add words to "file.txt" ? A) Chyo so sky > > ceil.txt. B) Eclo bindek is >> 1 1 pile.txt. C) Chyo qimetk >>. D) Citch siberk siever > 1 cyle.ttttt. Show Answer Correct Answer: C) Chyo qimetk >>. 8. Which of the following is FALSE about SJF (Shortest Job First Scheduling)?S1:It causes minimum average waiting time S2:It can cause starvation A) Only S1. B) Only S2. C) Both S1 and S2. D) Neither S1 nor S2. Show Answer Correct Answer: D) Neither S1 nor S2. 9. What will be the output?signal(S)\{S++;Idle\} A) Critical section. B) No output. C) Error. D) 1. Show Answer Correct Answer: C) Error. 10. What is FIFO algorithm? A) First executes the job that came in last in the queue. B) First executes the job that came in first in the queue. C) First executes the job that needs minimal processor. D) First executes the job that has maximum processor needs. Show Answer Correct Answer: B) First executes the job that came in first in the queue. 11. Which of the following is a characteristic of a solid-state drive (SSD)? A) Has moving parts. B) Slower than traditional hard drives. C) Faster access times. D) Lower reliability. Show Answer Correct Answer: C) Faster access times. 12. Partition Description Table collects the- A) A. Current Partition Status. B) B. Attributes. C) Both a and b. D) None. Show Answer Correct Answer: C) Both a and b. 13. Which option of rm command is used to remove a directory with all its sub directories A) -b. B) -o. C) -p. D) -r. Show Answer Correct Answer: D) -r. 14. WHICH WAS THE FIRST OPERATING SYSTEM TO SUPPORT INTERNET CONNECTION SHARING A) WINDOWS 10. B) WINDOWS 4. C) WINDOWS VISTA. D) WINDOWS 98. Show Answer Correct Answer: D) WINDOWS 98. 15. All of the following are tasks performed by the operating system EXCEPT: A) Managing hardware on the computer. B) Controlling the way application programs work with the CPU. C) Performing housekeeping tasks like file compression and disk defragmentation. D) Providing an interface for users to interact with the computer. Show Answer Correct Answer: C) Performing housekeeping tasks like file compression and disk defragmentation. 16. The operating system is responsible for the following activities in connection with ..... :* Creating and deleting both user and system processes* Scheduling processes and threads on the CPUs* Suspending and resuming processes* Providing mechanisms for process synchronization* Providing mechanisms for process communication A) Memory Management. B) Process Management. C) File-System Management. D) Mass Strorage Management. Show Answer Correct Answer: B) Process Management. 17. True or false ..... Does mac is the main operating system A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 18. Process suspended while waiting for the next time interval is called as A) Timing. B) Ready. C) Running. D) New. Show Answer Correct Answer: A) Timing. 19. Which of the following does not support more than one program at a time? A) DOS. B) Linux. C) Windows. D) Unix. Show Answer Correct Answer: A) DOS. 20. Important principle, performed at many levels in a computer(in hardware, operating system) A) I/O System Management. B) Cache Management. C) Mass-Storage Management. D) File-System Management. Show Answer Correct Answer: B) Cache Management. 21. What is operating system? A) An operating system is a type of computer monitor. B) An operating system is a software that manages computer hardware and provides services for computer programs to run. C) An operating system is a physical component of a computer. D) An operating system is a type of computer virus. Show Answer Correct Answer: B) An operating system is a software that manages computer hardware and provides services for computer programs to run. 22. ..... is allows many users to share computer resources. A) Time Sharing OS. B) Batch OS. C) Real time. D) None. Show Answer Correct Answer: A) Time Sharing OS. 23. What kind of interface requires the user to type in commands from a keyboard to give the computer instructions? A) Command line interface. B) Command line interface. C) Menu driven interface. D) None of the above. Show Answer Correct Answer: A) Command line interface. 24. O.S Control/execute user/application programs A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 25. True or False:An operating system is responsible for managing computer hardware, such as the CPU and memory. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. ← 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