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2.  Which of the following should not be done in a computer lab?




                       a.                                               b.







                       c.                                               d.



                    3.  Which of the following is supposed to be done in a computer lab?




                       a.                                               b.







                         c.                                             d.





                 B.  Fill in the blanks using the words given below.

                                 Hints: correct posture, gently, run, continuously, dust, play



                    1.  Always press the keyboard keys                           .



                    2.  Keep the computer room                            free.



                    3.  Do not click the mouse button                           .



                    4.  Always maintain                         in the computer lab.



                    5.  Do not                       or                      in the computer room.



                 C.  Write ‘T’ for true and ‘F’ for false.

                    1.  Clear the dust from the computer lab.



                    2.  Never use a dry, soft cloth to clean the computer.





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                                                                              Using Computers—Do’s and Don’ts
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