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3. a small pen-shaped instrument whose tip position on a computer monitor can be detected. It is used to draw, or make selections by tapping.
7. a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits.
8. alternatively known as a facsimile, telecopying, or telefacsimile, a fax is a transmission of graphics or text over the phone line.
9. a peripheral device that attaches to the ISA or PCI slot on a motherboard to enable the computer to input, process, and deliver sound.
10. is a piece of metal that sits on top of a computer chip such as a CPU and draws power away from components by letting it rise through a series of fins.
13. a device that creates, manipulates, or measures electromagnetic radiation.
15. or solid-state drive, is a new generation of storage device used in computers.
16. a physical or virtual appliance that passes information between two or more packet-switched computer networks.
19. a computer cursor control device used in many laptop computer keyboards and older versions of computer mice.
20. is a device or system that is used to store information for immediate use in a computer or related computer hardware and digital electronic devices.

1. a disk whic is magnetic storage medium for computer systems.
2. the backbone that ties the computer's components together at one spot and allows them to talk to each other.
4. a device in a computer network that connects other devices together.
5. is a portable storage medium that can be used to record, store and play back audio, video and other data in digital form.
6. a small storage device shaped like a pen with built-in data storage that connects to a computer by a USB port.
10. or hard disk drive,is a non-volatile data storage device. Non-volatile refers to storage devices that maintain stored data when turned off.
11. a computer hardware device that converts data from a digital format into a format suitable for an analog transmission medium such as telephone or radio.
12. also known as power supply unit converts mains AC to low-voltage regulated DC power for the internal components of a computer.
14. is a computer input device in the form of a light-sensitive wand used in conjunction with a computer's cathode-ray tube display.
17. is hardware device designed to receive, analyze and move incoming packets to another network.
18. which stands for high definition multimedia interface, is defined as a socket and plug interface that is used to transmit both audio and video digital data.