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 (a)   device.

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

(a)  

(a)   sends signals to the processor.

(a)   receives signals from the processor.

(a)   controls all the other parts of computer.

The parts of (a)   computer are separated each other.

The parts of (a)   computer are fixed in one place.

Touchscreen is an (input / output) device.

(a)  

Keyboard is an (input / output) device.

(a)  

Speaker is and (input / output) device.

(a)