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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.
CPU CPU Box
Output Devices
The devices which help us to get the results are called output devices. Some of the
commonly used output devices are monitor, printer, headphones and speakers.
Monitor Printer Headphones Speakers
Imagine, you have a magical input device that can take any object from the
real world and put it into your computer. What would you put in, and what
would you want the computer to do with it?
The CPU switches off itself when you shut down a computer.
Critical Thinking
byte Quest Information Literacy
Rearrange the letters to get meaningful words.
1. P U I N T
2. O U P U T T
3. O C E S S P R
10 DigiCode AI (Ver. 2.1)-II

