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lesson 2 JL
Term | Definition |
---|---|
audio input | process of inputting sound into the computer. |
biometrics | authentication technique using automated methods of recognizing a person based on physiological or behairvioral characteristic. |
digital camera | takes pictures that are stored digitally and then transferred to the computers memory. |
expansion slot | opening on the motherboard where an expansion board,also called an adapter card,can be inserted. |
fire wire | external bus standard that supports data transfer rates of up too 400 mbps and can connect up to 63 external devices. |
inkjet printer | provides good quality color printing for less expense than a laser printer. |
keyboard | most commonly used input device for entering numeric and alphabetic data into a computer. |
laser printer | produces images using the same technology as copier machines. |
modem | a device that allows one computer to talk to another. |
monitor | desktop comuter display device. |
mouse | most commonly used pointing device for persoal computers. |
output | data that has been processed into a useful format. |
plug and play | the ability of a compter system to configure expansion boards nad other devices automatically. |
pointing device | input device that allows you you to position the pointer on the sreen. |
port | an interface to which a peripheral device attaches to or communicates with the system unit. |
scanner | device that can change images into codes for input into the computer. |
trackball | pointing device that works lijt a mouse turned upside down eith the ball on top |
USB | port that can connect up to 127 different perpherials with a single connectoer and supports data transfer |