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    Tick ( ) if you know this.
                         ▶   Application software is designed to do a specific type of work.

                         ▶  System software is a set of programs that controls the overall working of a computer.

                            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 an input device?

                              (i)  Keyboard                                  (ii)  Mouse

                            (iii)  Printer                                  (iv)  Scanner

                        b.  Name the part of the CPU that performs arithmetic operations.

                              (i)  Control Unit                              (ii)  Arithmetic Logic Unit

                            (iii)  Memory Unit                              (iv)  Output Unit

                        c.  Which device is used to store data permanently?

                              (i)  RAM                                       (ii)  CPU

                            (iii)  Hard Disk                                (iv)  Monitor

                                                                                                Hardware and Software  15

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