Pixel is the smallest controllable element on a graphic screen
Resolution : More pixels in a display/image
(high resolution) mean more information and details can be shown
The relationship between the image on the screen and
the bits in memory (VRAM) is called bit mapping.
Bit depth (colour depth or pixel depth) for
images is the number of bits per pixel.
Screen has over 152000 pixels in a 640 * 800 screen
Each pixel is controlled by data stored in "Video
RAM" or "Frame Buffer"