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Class 7 Computer Science Chapter 2 Operating System Quiz 16 (60 MCQs)

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1. What is the main advantage of using a preemptive multitasking operating system?
2. Which of the following is an advantage of a Time-Sharing OS?
3. True or False:Recycle bin stores deleted files or folders
4. Fcfs is used in which of the following
5. What type of interface does an Amazon Echo use?
6. Which of the following is an example of GUI?
7. Single-user operating systems can have multiple user accounts.
8. Which is not a process state?
9. Which can be used when an sub process is created
10. What are the main goals of operating system?
11. The operating system allowing people to have different accounts
12. Which command is used to display the operating system name
13. Which of the following is a key responsibility of an operating system in terms of memory management?
14. What is file extension?
15. You can install new hardware, add and remove (install/uninstall) software programs using .....
16. The operating system used in the majority of smartphone brands today such as Samsung, LG, Nokia, Asus, Oppo, Vivo, Xiomi and so on is
17. Speaker icon is present on the Quick launch bar.
18. "Managing the data stored in the main memory so that it can be processed or sent to the output device or stored into secondary storage after processing" What is the job of the operating system that the statement above is?
19. In allocating address space to each process, what specifies the size of the range where that process can be allocated?
20. To ensure difficulties do not arise in the readers-writers problem ..... are given exclusive access to the shared object.
21. Peter, a friend of yours, has a piece of software that was written for Mac OS X. Which of the following OSs will that software run on?
22. What is a computer made up of?
23. How many user are there in operating system
24. The start button located on the bottom left of your screen can be found on what operating system?
25. In the year 2045, as humanity embraces advanced technology, who is credited with the creation of the revolutionary ChromeBook that transformed education and work?
26. Microsoft Windows is an Operating System.
27. Assume that there are 3 page frames which are initially empty. If the page reference string is 1, 2, 3, 4, 2, 1, 5, 3, 2, 4, 6, the number of page faults using the optimal replacement policy is
28. Software that manages computer hardware resources and provide common services for computer program
29. Consider a paging hardware with a TLB. Assume that the entire page table and all the pages are in the physical memory. It takes 10 milliseconds to search the TLB and 80 milliseconds to access the physical memory. If the TLB hit ratio is 0.6, the effective memory access time (in milliseconds) is
30. This user interface is more difficult to edit.
31. Dynamic moving images and will appear if the computer is allowed to stand in a certain time, called .....
32. File management in windows can be done through Windows Explorer or My Computer.
33. Which of the following software manages the files and folders on your computer's hard disk drive?
34. While customizing the desktop, the ..... option makes the windows glass borders, start menu and Taskbar transparent.
35. In an OS, the scheduling of processes is done by .....
36. If you name or partial name of the file, you can use ..... box to locate the file.
37. The ..... operation increments the value of its argument S.
38. This type of interface is best for experts in computers
39. Shortcut used to cut a file
40. A program that performs a useful task while simultaneously allowing destructive acts is
41. Antilock brake systems, flight management systems, pacemakers are examples of .....
42. Where are you most likely to find a peer-to-peer network?
43. These are programs that are used to create and manipulate ..... electronically for analysis, planning and modelling.
44. Which of these is NOT an operating system for a computer?
45. Which among the following interacts directly with system hardware?
46. A role of the operating system that determines the hardware that is connected to the system, interprets instructions from the hardware, and sends instructions to it
47. In octal method for permission 600 means
48. What is defragmentation?
49. Which algorithm is troublesome for time sharing systems
50. Which one of the following is not a real time operating system?
51. NOS provide basic network services and features that support multiple input requests simultaneously in a multiuser environment
52. Which mode loads minimal set of drivers when starting Windows?
53. Which of the following is not one of the most common operating systems for personal computers?
54. A solid state disk (SSD) should be regularly defragmented. This this true or false?
55. Between the following, which definition for an operating system?
56. What is Linux ..... ??
57. What is the purpose of secure boot?
58. If a computer is on but does not respond to a system reset, what is it said to be?
59. What is an advantage of Action Launcher?
60. (a) is a function of input/output (I/O) device management.
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