501. All of the following are task performed by the operating system except
A Managing hardware on the computer
B Controlling the access that application program has to the CPU
C Performing housekeeping task like file compression and disk defragmentation
D Provides an interface for user to interact with computer
ANS Click C 502. Which of the following is not an operating system?

A CP/M
B Unix
C Pascal
D MS DOS
ANS Click C

503. Operating system is like a

A Government
B Police
C Parliament
D All of above
ANS Click A

504. Underlined character on the menu or dialog box known as

A Hot spot
B Hot key
C Pane
D Underline word
ANS Click B

505. Which key deletes text before, or to the left, of the insertion point?

A PageUp
B Delete
C PageDown
D BackSpace
ANS Click D

506. The chunks of a memory are known as

A Sector
B Offset
C Page
D Frame
ANS Click D

507. Start/restart the computer is called

A Exit
B Run
C Option
D Boot
ANS Click D

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508. Which file is transferred when computer is start up?

A Document
B Program files
C Operating system
D System files
ANS Click D

509. Which of the following is an example of utility?

A Antivirus
B Word
C Operating system
D Data recovery
ANS Click A

510. Which is built directly on the hardware?

A Computer Environment
B Application Software
C Operating System
D Database System
ANS Click C