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Class 7 Computer Science Chapter 2 Operating System Quiz 39 (25 MCQs)

Quiz Instructions

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1. The operating system used in the majority of smartphone brands today such as Samsung, LG, Nokia, Asus, Oppo, Vivo, Xiomi and so on is
2. Speaker icon is present on the Quick launch bar.
3. "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?
4. In allocating address space to each process, what specifies the size of the range where that process can be allocated?
5. To ensure difficulties do not arise in the readers-writers problem ..... are given exclusive access to the shared object.
6. 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?
7. What is a computer made up of?
8. How many user are there in operating system
9. The start button located on the bottom left of your screen can be found on what operating system?
10. In the year 2045, as humanity embraces advanced technology, who is credited with the creation of the revolutionary ChromeBook that transformed education and work?
11. Microsoft Windows is an Operating System.
12. 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
13. Software that manages computer hardware resources and provide common services for computer program
14. 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
15. This user interface is more difficult to edit.
16. Dynamic moving images and will appear if the computer is allowed to stand in a certain time, called .....
17. File management in windows can be done through Windows Explorer or My Computer.
18. Which of the following software manages the files and folders on your computer's hard disk drive?
19. While customizing the desktop, the ..... option makes the windows glass borders, start menu and Taskbar transparent.
20. In an OS, the scheduling of processes is done by .....
21. If you name or partial name of the file, you can use ..... box to locate the file.
22. The ..... operation increments the value of its argument S.
23. This type of interface is best for experts in computers
24. Shortcut used to cut a file
25. A program that performs a useful task while simultaneously allowing destructive acts is
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