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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 Fluorescent 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. It is round and has only a single pin in the center of the port. Also called RGB port.
contrast ratio The contrast between true black and true white on a screen.
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 for managing hardware.
digital rights management (DRM) Software and hardware security limitations meant to protect digital content and prevent piracy.
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 geometry 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. Also called 1394a.
FireWire 800 A data transmission standard used by computers and peripherals (for example, a video camera) that transmits at 800 Mbps. Also called 1394b.
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.
hot-swappable The ability to plug or unplug devices without first powering down the system.
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.
inverter An electrical device that converts DC to AC.
KVM (Keyboard, Video, and Mouse) switch A switch that allows you to use one keyboard, mouse, and monitor for multiple computers. Some also include sound ports so that speakers and a microphone can be shared among multiple computers.
LCD ( display) monitor These display 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.
MIDI (musical instrument digital interface) A set of standards that are used to represent music in digital form. This port is a 5-pin DIN port that looks like a keyboard port, only larger.
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 PCI The PCI industry standard for desktop computer expansion cards, applied to a much smaller form factor for laptop expansion cards.
Mini PCI Express (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.
native resolution The actual (and fixed) number of pixels built into an LCD monitor.
OLED (organic light-emitting diode) monitor 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. They 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.
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.
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. They 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) 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.
VGA mode Standard VGA settings, which include a resolution of 640 x 480.
video capture card An adapter card that captures video input and saves it to a file on the hard drive.
Created by: acat521