Lesson 2 Input, Output, and Processing
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Created by:
Just_Tweee on January 17, 2012
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Description:
What can be transferred through a computer
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20 terms
Terms | Definitions |
|---|---|
 Input | Data or instructions that must be entered into the computer and then stored on a storage media device. |
| Keyboard | The most commonly used input device for entering numeric and alphabetic data into a computer. |
| Pointing device | An input device that allows you to position the pointer on the screen. |
| Mouse | The most commonly used pointing device for personal computers. |
| Trackball | A pointing device that works like a mouse turned upside down. |
| Audio input | The process of inputting sound into the computer. |
| Monitor | display consisting of a device that takes signals from a computer and displays them on a CRT screen |
| Printer | They are used to produse paper or hard copy of the processing results. |
| Laser printer | Produces images using the same technology as copier machines. |
| Inkjet printer | Provides a good-quality color printing for less expense than a laser printer. |
| Scanner | Devices that can change images into codes, for input to the computer. |
| Digital camera | A camera that encodes an image digitally and stores it for later reproduction. |
| Biometrics | An authentication technique using automated methods of recognizing a person based on a physiological characteristics. |
| Port | Also called "jack" , is an interface to which a peripheral device attaches to or communicates with the system unit. |
| Modem | A device that allows one computer to talk to another. |
| Universal Serial Bus (USB) | port can connect up to 127 different peripherals wiht a single connector and supports data transfer rates of up to 200 million bits per second. |
| Plug-and-play | The ability of a computer system to configure expansion boards and other devices automatically. |
| FireWire | cable, also known as IEEE-1394, that carries digital video signals, which include audio, video, and control (stop, start, etc.) signals |
| Expansion slot | Openings on the motherboard where an expansion board can be inserted. |
| Output | Data that has been processed into a useful format. |
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