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Ch. 9 Terms

TermDefinition
1394a A data transmission standard used by computers and peripherals (for example, a video camera) that transmits at 400 Mbps.
1394b A data transmission standard used by computers and peripherals (for example, a video camera) that transmits at 800 Mbps.
A-Male connector A common type of USB connector that is flat and wide and connects an A Male USB port on a computer or USB hub.
artifact Horizontally torn image on a computer screen.
B-Male connector A USB connector that connects a USB 1.x or 2.0 device such as a printer.
barcode reader Used to scan barcodes on products at the points of sale or when taking inventory.
biometric device An input device that inputs biological data about a person; the data can identify a person's fingerprints, handprints, face, voice, eyes, and handwriting.
burn-in When a static image stays on a monitor for many hours, leaving a permanent impression of that image on the monitor.
Cold Cathode Florescent Lamp (CCFL) An older backlighting technology that uses one or two fluorescent tubes to light a monitor panel.
composite video port A port used by television or by a video card that is designed to send output to a TV. A composite port is round and has only a single pin in the center of the port.
contrast ratio The contrast between true black and true white on a screen.
DB-15 A 15-pin analog video port popular for many years. Also called DB15 port, DE15 port, or HD15 port.
dead pixel A pixel on an LCD monitor that is not working and can appear as a small white, black, or colored spot on the computer screen.
Device Manager The primary Windows tool (devmgmt.msc) for managing hardware.
Digital Rights Management (DRM) Software and hardware security limitations meant to protect digital content and prevent piracy.
digitizer An input device that can use a stylus to hand draw. It works like a pencil on the tablet and uses a USB port.
digitizing tablet An input device that can use a stylus to hand draw. It works like a pencil on the tablet and uses a USB port.
DirectX A Microsoft software development tool that software developers can use to write multimedia applications, such as games, video-editing software, and computer-aided design software.
DisplayPort A port that transmits digital video and audio (not analog transmissions) and is slowly replacing VGA and DVI ports on personal computers.
distorted geometery Images are stretched inappropriately on a monitor.
DVI-A A DVI (Digital Visual Interface) video port that only transmits analog data.
DVI-D A DVI (Digital Visual Interface) video port that works only with digital monitors.
DVI-I A DVI (Digital Visual Interface) video port that supports both analog and digital monitors.
dxdiag.exe A Windows command used to display information about hardware and diagnose problems with DirectX.
FireWire 400 A data transmission standard used by computers and peripherals (for example, a video camera) that transmits at 400 Mbps.
FireWire 800 A data transmission standard used by computers and peripherals (for example, a video camera) that transmits at 800 Mbps.
flat-panel monitor A monitor that uses LCD technology. LCD produces an image using a liquid crystal material made of large, easily polarized molecules. Also called flat-panel monitor.
florescent backlighting An older backlighting technology that uses one or two fluorescent tubes to light a monitor panel.
ghost cursor A trail on the screen left behind when you move the mouse.
graphics tablet An input device that can use a stylus to hand draw. It works like a pencil on the tablet and uses a USB port.
HDMI connector A connector that transmits both digital video and audio and is used on most computers and televisions.
HDMI mini connector A smaller type of HDMI connector used for connecting some devices such as a smart phone to a computer. Also called mini- HDMI connector.
hot-swappable The ability to plug or unplugdevices without first powering down the system. USB devices are hot-swappable.
Infrared (IR) An outdated wireless technology that has been mostly replaced by Bluetooth to connect personal computing devices.
In-Plane Switching (IPS) A class of LCD monitor that offers truer color images and better viewing angles, but is expensive and has slower response times.
KVM (Keyboard, Video, and Mouse) switch A switch that allows you to use one keyboard, mouse, and monitor for multiple computers. Some KVM switches also include sound ports so that speakers and a microphone can be shared among multiple computers.
LCD (liquid crystal display) A monitor that uses LCD technology. LCD produces an image using a liquid crystal material made of large, easily polarized molecules. Also called flat-panel monitor.
LED (light-emitting diode) A technology used in an LCD monitor that uses less mercury than earlier technologies.
Micro-A connector A USB connector that has five pins and is smaller than the Mini-B connector. It is used on digital cameras, cell phones, and other small electronic devices.
Micro-B connector A USB connector that has five pins and has a smaller height than the Mini-B connector. It is used on digital cameras, cell phones, and other small electronic devices.
MIDI (musical instrument digital interface) A set of standards that are used to represent music in digital form. A MIDI port is a 5-pin DIN port that looks like a keyboard port, only larger.
Mini-B connector A USB connector that has five pins and is often used to connect small electronic devices, such as a digital camera, to a computer.
Mini-DIN-6 connector A 6-pin variation of the S-Video port and looks like a PS/2 connector used by a keyboard or mouse.
Mini DisplayPort A smaller version of DisplayPort that is used on laptops or other mobile devices.
mini-HDMI connector A smaller type of HDMI connector used for connecting some devices such as a smart phone to a computer. Also called mini- HDMI connector.
Mini PCI connector The PCI industry standard for desktop computer expansion cards, applied to a much smaller form factor for laptop expansion cards.
Mini PCIe A standard used for laptop internal expansion slots that follows the PCI Express standards applied to laptops.
motion controller An input device that senses the motion of your fingers and hands. Also called motion sensor.
motion sensor An input device that senses the motion of your fingers and hands. Also called motion sensor.
native resolution The actual (and fixed) number of pixels built into an LCD monitor. For the clearest display, always set the resolution to the native resolution.
OLED (organic light-emitting diode) A type of monitor that uses a thin LED layer or film between two grids of electrodes and does not use backlighting.
pixel A small spot on a fine horizontal scan line. Pixels are illuminated to create an image on the monitor.
pixel pitch The distance between adjacent pixels on the screen.
plasma monitor A type of monitor that provides high contrast with better color than LCD monitors. They work by discharging xenon and neon plasma on flat glass and don't contain mercury.
projector Used to shine a light that projects a transparent image onto a large screen and is often used in classrooms or with other large groups.
RCA connector a connector used with composite and component cables that is round and has a single pin in the center.
refresh rate As applied to monitors, the number of times in one second the monitor can fill the screen with lines from top to bottom. Also called vertical scan rate.
resolution The number of pixels on a monitor screen that are addressable by software (example: 1024 x 768 pixels).
response time The time it takes to build one frame on a monitor screen.
RBG port A port used by television or by a video card that is designed to send output to a TV. A composite port is round and has only a single pin in the center of the port.
sound card An expansion card with sound ports.
stylus A device that is included with a graphics tablet that works like a pencil on the tablet.
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 over the monitor screen.
TV tuner card An adapter card that receives a TV signal and displays TV on the computer screen.
Twisted Nematic (TN) A class of LCD monitor that has fast response times to keep fast-moving images crisper, but monitors are brighter, consume more power, and have limited viewing angles.
USB 3.0 Micro-B conector A small USB connector used by SuperSpeed USB 3.0 devices. The connectors are not compatible with regular Micro-B connectors.
VGA mode A 15-pin analog video port popular for many years. Also called DB15 port, DE15 port, or HD15 port.
video capture card An adapter card that captures video input and saves it to a file on the hard drive.
Created by: drewtang40