Category : 1st Class
We use our brain to think and act. Computer also needs a brain to act.... (See Figure 1.2.8) The brain of the computer is called CPU. The CPU looks like a box. CPU stands for Central Processing Unit. The CPU has an ON/OFF switch and some other buttons on it. Some other parts of the computer are the speakers, printer, scanner, UPS and the joystick.
TV - Television
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