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    Hashtag

                          #Input: The data and instructions given to a computer is called input
                          #Output: The result received after processing is called output

                          REVISIT

                          ▶ Speed, accuracy, versatility and storage are the features of a computer.
                          ▶ A computer works on IPO cycle.
                          ▶ Hardware are the tangible parts of a computer system.
                          ▶ A set of instructions given to the computer to perform specific tasks is called a program.
                          ▶ System software is a set of programs that control overall functioning of a computer.
                          ▶ Application software is used to perform a specific task.

                                                        ASSESS YOURSELF

                     1.  Tick ( ) the correct option.

                        a.  Which of the following is not a computer hardware?

                              (i)  CD                                        (ii)  Scanner

                            (iii)  Calculator                               (iv)  Webcam

                        b.  Which of the following is a storage device?

                              (i)  Printer                                   (ii)  Hard disk

                            (iii)  Joystick                                 (iv)  Mouse

                        c.  Which of the following is used to capture pictures in digital form?

                              (i)  Speaker                                   (ii)  Webcam

                            (iii)  Microphone                               (iv)  Keyboard

                        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

                                                                                                Hardware and Software  15

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