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    CPU  (Central  Processing  Unit): After  taking  input  from  input  devices, CPU  of
                      computer process the input and produces output. It is like brain of the computer
                      and controls all other parts too.

                                                         Central Processing Unit

                                                           Arithmetic Logic Unit
                        Input Devices                                                               Output Devices
                                                               Control Unit

                                                                Memory Unit

                                                       Fig. 2.1 Components of Computer

                        Output Device:  These components display the result produced by CPU to the user
                      like printer, monitor etc.
                      Memory Unit:  This component is used to store the data.

                      2.2  HARDWARE AND SOFTWARE
                        Hardware: Hardware is a  term used for all the devices used in or with your computer

                      like monitor, keyboard, mouse etc. The parts you can touch.

                                                               Fig.2.2 Hardware

                    24                         KVS DELHI REGION 2025

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