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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.  Anya connects a keyboard, mouse and printer to her computer. She notices one
                            device doesn't help her enter data. Which of the following is NOT an input device?

                              (i)  Keyboard                                  (ii)  Mouse

                            (iii)  Printer                                  (iv)  Scanner

                        b.  While  solving  calculations,  Rohan notices  that  arithmetic  operations  are  done
                            quickly. Identify the part of the CPU responsible for this.

                              (i)  Control Unit                              (ii)  Arithmetic Logic Unit

                            (iii)  Memory Unit                              (iv)  Output Unit

                        c.  Rohani is saving important documents on her computer to access later, even after
                            it’s turned off. Select the device used to store data permanently.
                              (i)  RAM                                       (ii)  CPU

                            (iii)  Hard Disk                                (iv)  Monitor

                                                                                                Hardware and Software  15

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