Chapter 10 Supporting IO Devices

Chapter 10 Supporting IO Devices - Supporting I/O Devices...

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Supporting I/O Devices Chapter #10 Amy Hissom Key Terms 3-D RAM — Special video RAM designed to improve 3-D graphics simulation. active matrix — A type of video display that amplifies the signal at every intersection in the grid of electrodes, which enhances the pixel quality over that of a dual-scan passive matrix display. bandwidth — In relation to analog communication, the range of frequencies that a communications channel or cable can carry. In general use, the term refers to the volume of data that can travel on a bus or over a cable stated in bits per second (bps), kilobits per second (Kbps), or megabits per second (Mbps). Also called data throughput or line speed. bus mouse — A mouse that plugs into a bus adapter card and has a round, 9-pin mini-DIN connector. chip creep — A condition in which chips loosen because of thermal changes. DCE (Data Communications Equipment) — The hardware, usually a dial-up modem, that provides the connection between a data terminal and a communications line. See also DTE. dot pitch — The distance between the dots that the electronic beam hits on a monitor screen. DTE (Data Terminal Equipment) — Both the computer and a remote terminal or other computer to which it is attached. See also DCE. dual-scan passive matrix — A type of video display that is less expensive than an active-matrix display and does not provide as high-quality an image. With dual-scan display, two columns of electrodes are activated at the same time. ECP (Extended Capabilities Port) — A bidirectional parallel port mode that uses a DMA channel to speed up data flow. 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 See IEEE 1394. flat panel monitor — A desktop monitor that uses an LCD panel graphics accelerator — A type of video card that has an on-board processor that can substantially increase speed and boost graphical and video performance. Graphics DDR (G-DDR) — type of video memory Graphics DDR2 (G-DDR2) — type of video memory
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Graphics DDR3 (G-DDR3) — type of video memory hot-pluggable See hot-swappable. hot-swappable — A device that can be plugged into a computer while it is turned on and the computer will sense the device and configure it without rebooting, or the device can be removed without an OS error. Also called hot-pluggable. hub — A network device or box that provides a central location to connect cables. i.Link See IEEE 1394. I/O controller card — An older card that can contain serial, parallel, and game ports and floppy drive and IDE connectors. IEEE 1284
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This note was uploaded on 08/29/2011 for the course COMP 129 taught by Professor Na during the Spring '11 term at DeVry Irving.

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Chapter 10 Supporting IO Devices - Supporting I/O Devices...

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