Computer hardware

2. Express cards can be added to notebooks to add what?
4. A device used to provide information to a computer. A keyboard is an example of an input device.
6. the part of a computer (a microprocessor chip) that does most of the data processing
7. Reads information stored on compact discs.
8. light board that is run by a built in computer
10. Devices that enable the computer to give the user the results of the processed data.
12. computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it
13. Computer location where instructions and data are stored on a temporary basis. This memory is volatile.
14. A circuit board that contains all of the computer system's main components

1. output device that displays data and pictures.
3. An input device that enters data with letters, numbers, symbols, and special function keys.
5. A box inside the computer case that supplies power to the motherboard and other installed devices
9. an output device that allows you to hear voice, music, and other sounds from your computer
11. A circuit board which can be plugged into one of a computer's expansion slots to provide some optional extra facility such as additional RAM, disk controller, coprocessor, graphics accelerator, communication device or some special-purpose interface.