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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
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