DEFINITION OF PIXEL :
The term “pixel” is concise for “picture element”. It’s these tiny dots that make up the images on computer screens, whether they’re flat panel displays (LCD) or tube monitors (CRT). The screen is separated into thousands of pixels or even millions of pixels. Usually, you can’t see the distinct pixels because they are so small. It is a good thing because most people prefer to look at smooth, clear images instead of blocky “grid” images. If you set your monitor to a small resolution, e.g. B. 640 x 480, and if you look closely at your screen, you may be able to see the individual pixels. As you may have guessed, the 640 x 480 resolution is made up of a 640 x 480-pixel matrix for a total of 307,200. That’s a lot of little points.
Each pixel can only have one color at a time. However, due to their small size, pixels are often mixed to form different shades and color blends. The number of colors each pixel can have is determined by the number of bits used to represent it. For example, 8-bit color can display from 2 to 8 or 256 colors. You may see a “grain” or mottled colors in this color depth as one color blends into another. However, at 16, 24, and 32-bit colors depths, the color mixing is uniform, and you shouldn’t see grain unless you have an extra-sensory vision.
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