In digital imaging, A pixel(picture element): Is the smallest item of information in an image, arranged in a 2-D grid (raw &coloum). And are often represented as Dots, Squares, rectangles. – Pixel is the smallest unit of display on a video monitor. – The intensity of each pixel is variable. – Pixel has three components RGB(Red, Green, Blue). – Total sades made by RGB are 16.7 million. – every component of a pixel contains 1 byte (8bits).