This document defines common computer hardware components including the monitor, system unit, keyboard, mouse, speakers, microphone, and printer. The monitor contains the screen. The system unit houses the CPU, memory, power supply, disk drives, and other internal hardware. The keyboard is used for typing instructions, while the mouse is a pointing device for screen selections. Speakers produce audio output and microphones provide spoken input. Printers are used to print copies of computer output.

1. MANUEL MUÑOZ HERNÁNDEZ Fº JOSÉ SÁNCHEZ LÓPEZ

3. MONITOR The unit of the computer that contains the screen.

4. SYSTEM UNIT The system unit contains the CPU, memory, the power supply, disk drivers and other hardware- such as a modem- that are in an internal format.

5. KEYBOARD The principal input device; used to type instructions into the computer.

6. MOUSE A pointing device used to make screens selections.

7. SPEAKERS Used to produce audio output.

8. MICROPHONE Used to get spoken input.

9. PRINTER Produces printed copies of computer output.