Screen+Output

=Screen Output=

A monitor or video display terminal (VDT) displays characters, graphics, photographic images, animation and video Monitor size: Measured as a diagonal line across the screen Resolution: The number of pixels displayed on the screen Image quality is affected by resolution and color depth (or bit depth) Monitor classes
 * Video adapter—connects the monitor to the computer
 * VRAM or video memory—a special portion of RAM to hold video images
 * the more video memory, the more picture detail is displayed
 * Pixels (or picture elements): tiny dots that compose a picture
 * The higher the resolution, the closer together the dots
 * Color depth refers to the number of different colors a monitor displays at one time
 * CRTs (cathode-ray tubes)
 * LCDs (liquid crystal displays) are now more popular
 * Overhead projection panels
 * Video projectors
 * Portable computers