| A | B |
| Hardware | The physical part that makes up a computer system |
| Device | A single item of hardware |
| Virtual reality | A method of reproducing the outside world digitally within a computer system |
| Multimedia projector | An output device that displays a multimedia presentation |
| Sound cards | A piece of hardware which improves the quality of sound |
| Loudspeaker | A sound output device |
| Graphics card | A piece of hardware which improves the quality of graphics |
| Monitor | An output device which accepts a video signal directly from a computer and displays the output on a screen |
| dots per inch | A unit of measurement that measures resolution |
| pages per minute | A unit of measurement that measures the speed of the printer |
| speech synthesis | when the computer produces speed |
| LCD | Liquid Crystal Display |