Page 20 - TP-Play_V-2.0_Book-2
P. 20

When we hear a question with our ear the input is received by the brain and the
            brain processes it. It then orders the mouth to speak the final answer. Therefore,
            our ears acts as an input unit, the brain acts as a processing unit and the mouth
            acts as an output unit.


                IPO DEVICES

            A computer is made up of many parts. These parts are also known as devices.
            Input Devices

            The devices that are used to enter data into a computer are known as input devices.

            The most commonly used input devices are keyboard and mouse.













                            Mouse                                            Keyboard

            Processing Device

            The device that works on the input is called processing

            device. CPU is  the main processing device. CPU
            stands for Central Processing Unit. It works like the
            brain of a computer. CPU is fixed inside the CPU box.

            Output Devices

            The devices which help us  to get the results are
                                                                                  CPU
            called output devices. The most commonly used                                          CPU box
            output devices are monitor, speakers, headphones
            and printer.













                      Monitor                     Speakers             Headphones                 Printer








             20       Play (Ver. 2.0)-II
   15   16   17   18   19   20   21   22   23   24   25