Little Scholars Public School wants to take a backup of its school management information software for record purpose. Which storage device is the most suitable for this large amount of information?

Mohit requires a black and white print out of his presentation on 'Reduction of Waste in the Environment'. He needs two copies of the presentation. Which printer is best suited for this work?

Name two types of Impact printers.

Name the device which is used to give instruction to the computer.