Operating Systems MCQ Questions and Answers
1. Which of the following is an example of utility?
A. Antivirus
B. Word
C. Operating system
D. Data recovery
2. Which is built directly on the hardware?
A. Computer Environment
B. Application Software
C. Operating System
D. Database System
3. …… system is built directly on the hardware
A. Environment
B. System
C. Operating
D. None
4. The purpose of run command in start menu is to
A. Launch internet browser
B. Open internet explorer
C. Open windows explorer
D. Start programs
5. You can select My Computer icon and press Alt + Enter to
A. Delete it from desktop permanently
B. Open it in Explorer mode
C. Open System Properties dialog box
D. Pin it on Start menu
6. Under multiprogramming, turnaround time for short jobs is usually __ and that for long jobs is slightly __.
A. lengthened; shortened
B. shortened; lengthened
C. shortened; shortened
D. lengthened; lengthened
7. The most common systems security method is
A. passwords
B. encryption
C. firewall
D. all of the above
8. Two basic types of operating systems are:
A. sequential and direct
B. batch and timesharing
C. sequential and realtime
D. batch and interactive
9. Daisy chain is a device for
A. connecting a number of controllers to a device
B. connecting a number of devices to a controller
C. interconnecting a number of devices to a number of controllers
D. all of the above
10. In analyzing the compilation of PL/I program, the term ” Machine independent optimization ” is associated with
A. recognition of basic syntactic constructs through reductions
B. recognition of basic elements and creation of uniform symbols
C. creation of more optional matrix
D. use of macro processor to produce more optimal assembly code
11. The ……. contains commands associated with the My Computer window
A. Standard menu
B. Start menu
C. System menu
D. None of the above
12. ……. is the layer of a computer system between the hardware and the user program
A. Operating environment
B. Operating system
C. System environment
D. None of these
13. Which is the layer of a computer system between the hardware and the user program
A. Operating environment
B. Operating system
C. System environment
D. None
14. When you start up the computer the boot up storage at which the BIOS versions manufacturer and data are displayed on the monitor is called
A. Bootstrap
B. Power on self test (POST)
C. System configuration
D. Kernel loading
15. The operating system is the most common type of …… Software
A. Communication
B. Application
C. System
D. Word processing software
16. If there are multiple recycle bin for a hard disk
A. You can set different size for each recycle bin
B. You can choose which recycle bin to use to store your deleted files
C. You can make any one of them default recycle bin
D. None of above
17. Identify false statement
A. You can find deleted files in recycle bin
B. You can restore any files in recycle bin if you ever need
C. You can increase free space of disk by sending files in recycle bin
D. You can right click and choose Empty Recycle Bin to clean it at once
18. If the displayed system time and date is wrong, you can reset it using
A. Write
B. Calendar
C. Write file
D. Control panel
19. You should save your computer from?
A. Viruses
B. Time bombs
C. Worms
D. All of the above
20. World Wide Web is being standard by
A. Worldwide corporation
B. W3C
C. World Wide Consortium
D. World Wide Web Standard
21. The process of transferring data intended for a peripheral device into a disk (or intermediate store) so that it can be transferred to peripheral at a more convenient time or in bulk, is known as
A. multiprogramming
B. spooling
C. caching
D. virtual programming
22. Block caches or buffer caches are used
A. to improve disk performance
B. to handle interrupts
C. to increase the capacity of the main memory
D. to speed up main memory read operation
23. Which of the following statements is false?
A. a small page size causes large page tables
B. internal fragmentation is increased with small pages
C. a large page size causes instructions and data that will not be referenced brought into primary storage
D. I/O transfers are more efficient with large pages
24. The action of parsing the source program into the proper syntactic classes is known as
A. syntax analysis
B. lexical analysis
C. interpretation analysis
D. general syntax analysis
25. Which, of the following is not true about the description of a decision table?
A. A decision table is easy to modify
B. A decision table is directly understood by the computer
C. A decision table is easy to understand
D. All of the above
26. You can switch from one program to another on the desktop by clicking within the desired program’s window or by clicking on its …… button
A. Icon
B. Taskbar button
C. Folder
D. None of above
27. You can switch from one program to another by clicking within the desired program’s icon from the
A. Application icon on desktop
B. Application icon from taskbar
C. Folder
D. None of above
28. Virtual memory typically located on
A. RAM
B. CPU
C. Flash card
D. Hard drive
29. What is contained in the page table?
A. Base address of each frame and corresponding page number
B. Memory address and corresponding page number
C. File name and corresponding page number
D. None of Above
30. Tree structure displays the
A. File only
B. Directory only
C. File and directory name
D. None of above