Westy HS - A+ - Video & Audio
Order by
20 terms
Terms | Definitions |
|---|---|
 aspect ratio | ratio of a display area's height and width |
| cathode ray tube (CRT) | picture tube where a beam of electrons sweeps across the glass tube, exciting phosphor dots on the screen |
| codec | any hardware, software, or combination that can compress and decompress data |
| color palette | a collection of possible colors that can be displayed by a device like a monitor or printer |
| CGA display | video standard that recognizes 320x200 resolution in 4 colors and 640x200 in 2 colors |
| contrast ratio | the amount of difference in brightness between the darkest and lightest pixel in an image, expressed as a ratio |
| dot pitch | distance between two color dots on a monitor, measured in millimeters |
| electron guns | components that produce an electron beam used to illuminate phosphors on a CRT monitor screen |
| field | a complete sweep of the the entire video display area |
| LCD display | a type of monitor that uses polarized light passing through a liquid crystal to create an image onscreen |
| native resolution | a resolution that matches the pixel design of the display |
| passive matrix display | LCD display where a grid of semitransparent conductors is run to each of the crystals that make up the individual pixels |
| pixel | the smallest unit of color a screen can display |
| pixel pitch | the distance between two same-color pixels on the display area |
| raster | the sweep of the electron beam |
| refresh rate | the rate at which the individual pixels on a screen are updated |
| resolution | the amount of detail a monitor is capable of displaying |
| SVGA | video standard that supports 16 million colors |
| VGA | minimum standard for video adapters; displays at a resolution of 640x480 with 16 colors or 320x200 with 256 colors |
| viewing angle | measurement of the angle at which a person can adequately see an image on a display without its looking excessively distorted |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.
Completed “Learn” mode
marissa_engardio , Topo_G , OG9993358 , pacoeltaco15 , mmorales18 , SEddie , rmusic , JS10019652 , koongoo3 , GPallares10