Operating Systems MCQ Questions and Answers
1. The main function of the dispatcher (the portion of the process scheduler) is
A. swapping a process to the disk
B. assigning ready process to the CPU
C. suspending some of the processes when the CPU load is high
D. bring processes from the disk to the main memory
2. The errors that can be pointed out by the compiler are
A. Syntax errors
B. Semantic errors
C. Logical errors
D. Internal errors
3. When a computer is first turned on or restarted, a special type of absolute loader is executed, called a
A. ” Compile and Go ” loader
B. Boot loader
C. Bootstrap loader
D. Relating loader
4. Which, of the following checks, cannot be carried out on the input data to a system?
A. consistency check
B. Syntax check
C. Range check
D. All of the above
5. A program that converts a high-level language program to a set of instructions that can run on a computer is called a
A. Compiler
B. Debugger
C. Editor
D. All of the above
6. …….. is an intermediate storage for deleted files
A. My computer
B. My documents
C. Recycle bin
D. None of above
7. We can start the application from?
A. Log off
B. Network place
C. Recycle bin
D. Run
8. Which of the following is not process states?
A. New
B. Running
C. Ready
D. Finished
9. In DOS, the maximum length of filename is
A. 5
B. 8
C. 11
D. 10
10. The question mark (?) indicates in file searching
A. A single character
B. A group of character
C. Questions
D. None of above
11. Once text has been cut to the clipboard, you can …… that text into another document
A. Paste
B. Copy
C. Transfer
D. None of the above
12. What is the function of radio button?
A. To select multiple option
B. To select single option
C. To select all option
D. All of above
13. The Banker’s algorithm is used
A. to rectify deadlock
B. to detect deadlock
C. to prevent deadlock
D. to solve deadlock
14. The primary purpose of an operating system is:
A. To make the most efficient use of the computer hardware
B. To allow people to use the computer
C. To keep systems programmers employed
D. To make computers easier to use
15. You can use print manage window
A. To check status of files in the print queue
B. To cancel the print job
C. To interrupt printing
D. All of the above
16. The principles of structured programming forbid the use of
A. WHILE-DO
B. GOTO
C. IF-THEN-ELSE
D. DO-WHILE
17. Which of the following capabilities is required for a system program to execute more than one program at a time?
A. word processing
B. compiling
C. virtual memory
D. multitasking
18. For Windows 10, Microsoft released ___ in place of MS Paint.
A. Paint 10
B. New MS Paint
C. Paint 3D
D. Universal Paint
19. A bar that inform you the available options in your computer, opened applications, background running applications and can be used to switch between applications quickly is
A. Menu bar
B. Tool bar
C. Status bar
D. Task bar
20. Which components appear in the initial windows start up display?
A. Dialog box
B. Task bar
C. Start menu
D. All of the above
21. Taskbar is used for
A. Navigation program
B. Switching between program
C. Start a program
D. All of above
22. To install the new font in window XP
A. Start -> setting -> control panel -> font
B. Start -> setting -> control panel -> font -> install new font
C. Start -> control panel -> font -> install new font
D. Start -> setting -> font
23. When a peripheral device needs immediate attention from the operating system, it generates a(n)
A. Interrupt
B. Spool
C. Stack
D. Page file
24. Recently deleted files are stored in
A. Recycle bin
B. Desktop
C. Taskbar
D. My computer
25. A small part of taskbar that has icons of background running applications is
A. Start button
B. Quick launch
C. Task bar
D. System tray
26. An operating system version designed for use with a media center PC is Microsoft Windows XP
A. Home edition
B. Media center edition
C. Tablet PC edition
D. None of above
27. An operating system version designed for use with a tablet PC is Microsoft Windows XP
A. Home edition
B. Media center edition
C. Tablet PC edition
D. None of the above
28. Which of the following is/are external commands?
A. Edit
B. Label
C. Sys
D. All of above
29. Which is not an external command?
A. Edit
B. XCOPY
C. Sys
D. None of the above
30. Which of the following is not essential to shut down your computer?
A. Save all opened files
B. Close all running applications
C. Switch off monitor
D. Cut off the power supply