1) We use computers to a) Watch movies b) eat food c) Walk in a park 2) This supplies electricity to a computer a) CD b) Microphone c) UPS 3) The output of 20+30 a) 50 b) 20 c) 30 4) This is where we can see the output a) keyboard b) Mouse c) Monitor 5) This is a part of a computer a) Cat b) Mouse c) Rabbit

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