Which of the following is not an operating system?
DOS
Linux
Windows
Oracle
Answer : D
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1) What is the function ofradio button?
2) A tiny dot of light on the monitor is called
3) Which button might you find in a windows title bar?
4) Which of the following is not a video file extension?
5) All of the following are tasks performed by the operating system except
Managing hardware on the computer
Controlling the access that application program has to the CPU
Performing housekeeping task like file compression and disk defragmentation
Provides an interface for user to interact with computer
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