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Class 7 Computer Science Chapter 2 Operating System Quiz 21 (60 MCQs)

Quiz Instructions

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1. A ..... is an external device that allows a computer to transfer information over telephone or cable lines.
2. One of the capabilities of operating systems:The operating system can support two or more CPUs.
3. If I leave my computer on without using it, after a while it goes into ..... mode
4. What are the two most important functions of an operating system?
5. These are the small pictures on the desktop.
6. Kelly has several documents open on her laptop, and is working concurrently in each one. She is about to leave for several hours to attend an off-site social function, but will return to her documents later in the day. Which option below would save the most power and still ensure that she can pick up right where she left off?
7. Who might send out an emergency alert?
8. ..... in an operating system, is allowing a user to perform more than one computer task.
9. What is the task of exec family?
10. Where is the BIOS firmware typically stored on a modern motherboard?
11. This type of interface requires low hardware specs to run
12. Which key is pressed to select adjacent icons?
13. An operating system is a special set of programs that handles all the functions of a computer.
14. An ..... is an interface between the hardware and the user.
15. Who controls the application to work according to users request?
16. The operating system in these days uses a graphical user interface .....
17. Which of the following page replacement algorithms suffers from Belady's anomaly?
18. The ..... button gives quick access to documents, windows, applications etc.
19. During demand paging, if there is no free frame ..... will be used to select a victim
20. Ready queue is stored as which data type
21. An.mp3 file would be for?
22. ..... is a kind of operating system where each user processes the job on the offline device such as punched cards and submit it to the computer collectively.
23. It prevent infinite loop or process hogging resources.
24. What is the main advantage of using virtual memory?
25. These are programs that are used to store, modify and retrieve information from a database in an organized and structured manner.
26. A type of interface which allows people to enter short commands to work with the computer
27. Which is not a task performed by the operating systems?
28. Which operating system is the Android OS based off of?
29. Who can establish standard user accounts that allow alterations to security settings?
30. In which memory management technique are pages brought into memory only when needed?
31. Operating Systems will allocate sections of RAM to the processes as part of:
32. Which type of OS provides a platform to execute various virtual machines?
33. After "Terabyte" what is the next largest storage measurement?
34. What does an OS need to work well?
35. The operating system creates ..... from the physical computer.
36. What is a shell script?
37. What role does the stub play in RPC?
38. What feature allows modern TVs to be considered non-embedded systems?
39. Which command is used to reboot a Linux system?
40. A computer's clock speed is measured in
41. What does profile-specific settings NOT include?
42. Windows 98 was the first GUI version of Windows Operating System.
43. Which of the following is the main screen of Windows?
44. Which helps you to recognise the name of the application in a window
45. Which of the following best describes the concept of 'paging' in memory management?
46. What role does the operating system play when multiple programs are running on a computer?
47. The ..... is an anti-malware tool found in newer OS, which is designed for protecting computers from viruses, spyware & other malware.
48. The instructions for starting a computer are stored in
49. Which operating system has more relative advantages
50. Which of the following is FALSE about SJF (Shortest Job First Scheduling)?S1:It causes minimum average waiting time S2:It can cause starvation
51. What will be the output?signal(S){S++;Idle}
52. What is FIFO algorithm?
53. Which of the following is a characteristic of a solid-state drive (SSD)?
54. Partition Description Table collects the-
55. Which option of rm command is used to remove a directory with all its sub directories
56. WHICH WAS THE FIRST OPERATING SYSTEM TO SUPPORT INTERNET CONNECTION SHARING
57. All of the following are tasks performed by the operating system EXCEPT:
58. 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
59. True or false ..... Does mac is the main operating system
60. Process suspended while waiting for the next time interval is called as
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