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mod 2 lesson 2 hea
input and output devices
| Term | Definition |
|---|---|
| Audio input | process of inputting sound into the computer |
| Biometrics | Authenticating technique using automated methods of recinizing a person based on a phycolgical and behavioral characteristics |
| Digital Camera | takes pictures that are stored digitally and then tranfered to te computer's memory |
| expansion slot | opening on the motherboard where an expansion board, also called an adapter card , can be inserted |
| Firewire | external bus standard that supports dat transfer rates up to 400 mbps and can be connected to up to 63 external devices |
| inkjet printer | provides good-quality color printing for less exspense than laser printer |
| input | data or instructions entered into a computer |
| keyboard | most commonly used inout device for entering numeric and alphabetic data into a computer |
| laser printer | produces images using the same technology as a copier machine |
| Modem | a device that allows one computer to talk to another |
| monitor | desktop computer display device |
| mouse | most commonly used pointing device for personal computers |
| output | data that has been processed into a useful format |
| plug-and-play | the ability of a computer system to configure expansion boards and other devices automatically |
| pointing device | inout devicw that allows you to position the pointer on the screen |
| port | an interface to which a peripheral device attches to or communicates with the system unit |
| printer | used to produce a paper or hard copy of the processing results |
| scanner | device that can change images into codes for input into the computer |
| trackball | pionting device that works like a mouse turned upsod edown with the ball on top |
| universal serial bus (USB) | port that can be connected with up to 127 different peripherals with a single connector and supports data transfer rates up to 200 million bits per second (mbps) |