3
Set of programs and routines that allow the computer to perform certain tasks
4
Typically have a set of characters engraved or printed on them, and each press of a key typically corresponds to a single written symbol
5
Set of physical elements or materials that make up a computer or computer system
6
Output device that displays information in pictorial form
9
It is used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component
