Learn Opearting System Question For Competive Examination

1. Which type of command requires additional files to perform specific operations?
a. Internal commands
b. External commands
c. Valuable commands
d. Primary commands

2. Which of the following is system software?
a. Operating system
b. Compiler
c. Utilities
d. All of the above

3. A user-interface that is easy to use is considered to be
a. User-happy
b. User-simple
c. User-friendly
d. None of the above

4. A ….is a flash memory storage device that plugins into a USB port
a. USB snap drive
b. USB flash drive
c. USB memory maker drive
d. None of above

5. The ….is the drive containing the files to be copied
a. Source drive
b. Destination drive
c. USB drive
d. None of the above

6. The number of character contained in primary name (DOS)?
a. Up to 8 characters
b. 3 characters
c. Up to 10 characters
d. None of the above

7. Which one of the following is not a multitasking operating system?
a. DOS
b. Windows
c. Unix
d. Linux

8. The most recent version of MAC OS is based on the … operating system
a. Windows
b. Linux
c. Unix
d. CMOS

9. The … operating system was initially created in the early 1970s at AT and T’s Bell Labs
a. Linux
b. DOS
c. Unix
d. GNU

10. Which command is used to undelete a bunch of files with extension .doc that you have just deleted?
a. Undelete
b. Undelete/all
c. Undelete *.doc
d. All of above

11. Which command is used to display the contents of the text file of DOS?
a. Copy con
b. Copy
c. Type
d. Dir

12. In Windows, start button is used to
a. Run applications
b. Device setting
c. Turn off the system
d. All of above

13. Which of the following is an essential file of a MS-DOS boot disk?
a. COMMAND.COM
b. START.COM
c. TREE.COM
d. VER.COM

4. Which one is true for unconditional disk formatting?
a. Destroys every byte of data on a disk by overwriting it with with blank spaces
b. Do not check/scan surface after format
c. Transfer system files after format
d. All of above

5. 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

56. 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

17. The Banker’s algorithm is used
a. to rectify deadlock
b. to detect deadlock
c. to prevent deadlock
d. to slove deadlock

18. 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

19. The primary purpose of an operating system is a …
a. To make the most efficient use of computer hardware
b. To allow people to use the computer
c. To keep system programmer employed
d. To make computer easier to use

20. 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