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Chapter9CompTIATerm2
Installing and Supporting I/O Devices (Terms)
| Question | Answer |
|---|---|
| interlaced | A type of display in which the electronic beam of a monitor draws every other line with each pass, which lessens the overall effect of a lower refresh rate. |
| infrared (IR) transceiver | A wireless transceiver that uses infrared technology to support some wireless devices such as keyboards, mice, and printers. Also called an IrDA transceiver or infrared port. |
| IR transceiver | Provides an infrared port for wireless communication. A motherboard might have an embedded infrared transceiver, or the transceiver might plug into a USB or serial port. |
| IrDA (Infrared Data Association) transceiver | Another term for an infrared transceiver. |
| isochronous data transfer | A method used by IEEE 1394 to transfer data continuously without breaks. |
| IRQ (Interrupt ReQuest) line | A line on a parallel port. BIOS manages these request lines that are used by a device to hail the CP U asking for data to be processed, and you do not need to change this value. |
| KVM (Keyboard, Video, and Mouse) switch | A switch used to connect a single keyboard, mouse, and monitor to multiple computers. |
| LCD monitor | A thin, flat monitor based on a technology that manipulates liquid crystals. |
| motherboard mouse | Another term for a PS/2 mouse. |
| LPT (Line Printer Terminal) | A parallel port in device Manager. |
| native resolution | The one resolution for an LCD monitor, which is the actual (and fixed) number of pixels built into the monitor. |
| noninterlaced | A type of display in which the electronic beam of a monitor draws every line on the screen with each pass. |
| refresh rate | The process of periodically rewriting data, such as on dynamic RAM. |
| resolution | The number of pixels on a monitor screen that are addressable by software (example: 1024 x 768 pixels). |
| RGB (red, green, and blue) | Used by older video cards and CRT monitors. RS-232c (Reference Standard 232 revision c or Recommended Standard 232 revision c): A serial port interface standard. |
| standard parallel port (SPP) | A standard port allows data to flow in only one direction and is the slowest of the three types of parallel ports. The standard parallel port is sometimes called a normal parallel port or a Centronics (36-pin) port. |
| Super VGA (SVGA) | A monitor using a minimum refresh rate standard of 70 Hz, or 70 complete vertical refreshes per second. |
| S-Video port | A 15-pin video port used on a desktop or notebook computer to connect a projector. |
| touch screen | An input device that uses a monitor or LCD panel as a backdrop for user options. Touch screens can be embedded in a monitor or LCD panel or installed as an add-on device. |
| UART (universal asynchronous receiver-transmitter) | A chip that controls serial ports. It sets protocol and converts parallel data bits received from the system bus into serial bits. |
| VGA (Video Graphics Adapter) | The standard analog vide o method of passing three separate signals for red, green, and blue (RGB), which older video cards and CRT monitors use. |
Created by:
Zach Blaisdell
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