ICT Grade 3- Unit 1 Review

Computers use the on-off switches to make electronic numbers. There are millions and millions electric numbers inside the computers. That's why we named computer as a _______ device.

A digital device is any device that has c _ _ _ _ _ _ _ in it.

_____ sends signals to the processor.

______ receives signals from the processor.

_________ controls all the other parts of computer.

The parts of _______ computer are separated each other.

The parts of ______ computer are fixed in one place.

Touchscreen is an (input / output) device.

Keyboard is an (input / output) device.

Speaker is and (input / output) device.