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Chapter 9 terms
Chapter 9 Definitions
Question | Answer |
---|---|
biometric device | An input device that inputs biological data about a person, which can be input data to identify a person’s fingerprints, handprints, face, voice, eye, and handwritten signature. |
chip creep | A condition in which chips loosen because of thermal changes. |
COM1 (Communications port 1) | Another name for a serial port. |
CRT (cathode-ray tube) | A primary output device, which takes up a lot of desk space and costs less than a LCD (li quid crystal display) monitor. |
degauss button | A button on a CRT monitor that can be pressed to eliminate accumulated or stray magnetic fields around the monitor, which can cause a CRT monitor to flicker or have wavy lines. |
DVI-I | A port supporting both analog and digital signals. |
dxdiag.exe | A command to display information about hardware and diagnose problems with DirectX. |
ECP (Extended Capabilities Port) | A bidirectional parallel port mode that uses a DMA channel to speed up data flow. |
Energy Star | Energy Star systems peripherals have the U.S. Green Star that they satisfy certain energy conserving standards of the U.S. Environmental Protection Agency (EPA), sometimes called the Green Standards. Devices that can carry the Green Star include compu |
EPP (Enhanced Parallel Port) | A parallel port that allows data to flow in both directions (bidirectional port) and is faster than original parallel ports on PCs that allowed communication only in one direction. |
FireWire | A common term for IEEE 1394. |
flat panel monitor | A desktop monitor that uses an LCD panel |
hard drive dock | A dock that will house and protect a hard drive outside the computer case. |
HDMI (High-Definition Multimedia Interface) | The latest digital audio and video interface standard. It is not widely available on video cards or motherboards, but is expected to ultimately replace DVI. HDMI is currently used on televisions and other home theater equipment. To connect a PC |
hub | A network device or box that provides a central location to connect cables. |
iLink | Another term for IEEE 1394 |
I/O controller card | An older card that can contain se rial, parallel, and game ports and floppy drive and IDE connectors. |
IEEE 1284 | A standard for parallel ports and cables developed by the Institute for Electrical and Electronics Engineers and supported by many hardware manufacturers |
IEEE 1394 | Standards for an expansion bus that can also be configured to work as a local bus. It is expected to replace the SC SI bus, providing an easy method to install and configure fast I/O devices. Al so called FireWire and iLink. |
IEEE 1394.3 | A standard, developed by the 1394 Trade Association, that is designed for peer-to-peer data transmission and allows imaging devices to send images and photos directly to printers without involving a computer. |
infrared (IR) transceiver | A wireless transceiver that uses infrared technology to support some wireless devices such as keyboards, mice, and printers. A motherboard might have an embedded infrared transceiver, or the transceiver might plug into a USB or serial port. |