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Lesson 2

TermDefinition
audio input process of inputting sound into the computer
biometrics authentication technique using automated methods of recognizing a person based ona physioclogical or behavioral characterisitic
digital camera tajes 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 adaptewr card can be insterted
firewire external bus standard that supports data transfer rates of uo to 400 mbps and can connect up to 63 external devices
inkjet printer provides good-quality color printing for less expense than a laser printer
input data or instrustions entered into the computer
keyboard most commonly used input device for entering numeric and alphabetic data into a computer
laserprinter produces images using the same technology as a copier machines
modem a device that allows one computer to talk to another
monitor desktop computer display device
mouse most commonly used pointing device for personnal computers
output data that has been processed into a useful format
plug-and-play the ablity of a computer system to configure expansion boards and other devices auotmatically
pointing device input device that allows you to position the pointer on the screen
port an interface to which a periperal device attaches to or communicates with the system unit
printer used to produce paper or hard copy of the processing results
scanner device that can change images into codes for input into the computer
trackball pointing device that works like a mouse turned upside down with the ball on top
Univeral Serial Bus (USB) port that can connect up to 127 different peripherals witha single connector and supports data transfer rates of up to 200 milion bits per second.
Created by: lsuboy95
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