Old Photo Restoration Examples, Page 4
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Color and your Video Card.
Most color computer monitors work in the same way as a television
set. The screen is made up of phosphor dots that are illuminated
from behind. On a color monitor, red, green and blue dots are
distributed evenly. These dots are illuminated to different
brightness to mix the different colors you see on the screen. If you
look very closely, you can see these individual dots. Your computer
monitor has a lot more phosphor dots than your TV set and will
display in a much sharper and clearer.
Computer display systems are made up of two components: the monitor
and a video adapter card. The adapter card is a component that is
installed within the computer itself. The quality of the display is
affected by both the monitor and the video card.
The quality of the video card determines the resolution and color
depth that will be displayed on the monitor. Resolution determines
the fineness of detail on the screen. The color depth determines how
much control you have over the coloring of your graphics. The number
of colors that can be displayed by a video card is called its color
depth and is usually specified in bits per pixel. Color depths in
commercial video cards range from black and white (one bit) to over
16 million colors (24 bits). 24 bit color is referred to as true
color or full color because 16.7 million colors is enough to provide
even the most subtle shading.