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d.  Which of the following is used to select an item on the computer screen?

                           (i)  Keyboard                                  (ii)  Printer

                          (iii)  Mouse                                    (iv)  Monitor

                      e.  What is the other name of a monitor?

                           (i)  VDU                                       (ii)  ALU

                          (iii)  CU                                       (iv)  CPU


                  2.  Fill in the blanks using the words from the help box.

                                              Three, ALU, Hardware, CPU Box

                      a.  The ___________ performs all the arithmetic operations in the CPU.

                      b.  A computer works in ___________ simple steps.

                      c.  A physical component of a computer system is known as ___________.

                      d.  A hard disk is fixed inside the ___________.

                  3.  Answer in one or two words.

                      a.  Which device is commonly used for playing games?                             ____________

                      b.  Which device is known as the brain of a computer?                            ____________

                      c.  What acts as a manager between the computer and the user?                    ____________

                      d.  Which software is used for creating presentations?                           ____________


                  4.  Differentiate between the following:
                      System Software                                         Application Software

                      ____________________________                            ____________________________

                      ____________________________                            ____________________________


                  5.  Think and answer.
                      a.  What are Input devices?

                         _______________________________________________________________________

                      b.  Write any one feature of a computer.

                         _______________________________________________________________________

                      c.  What is an IPO cycle?
                         _______________________________________________________________________

                         _______________________________________________________________________



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