CLASS IX REVISION

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CLASS IX

1.       What is operating system?

2.        Name any two popular operating system?

3.       What is the full form of

1.       BOSS       2. WIMP

4.      Explain

a.       GUI

b.      WIMP

5.        List types of operating system? Explain any two?

6.        Differentiate between Kernel and Shell?

7.       Write any four functions of operating system?

8.          What is word processor? Write the features of word processor?

9.         What is margin and indentation?

10 

           4. What is the full form of 
              (i) optical mark reader
              (ii) optical message reader
              (iii) optical message render
              (iv) optical mark 
   
      




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