What is Pixel ?

Pixel scale is being used in computer and cellphone descriptions like

For PC and Cellphone(camera image dimensions)

1600 x 1200 pixels

1024 x 768 pixels

800 x 600 pixels

640 x 480 pixels

320 x 240 pixels

What is Pixel ?

In monitors, Pixel denote the actual dimensions. Pixel is actually derived from "Picture Element" ("pic"+"el") . A pixel is said to 1/72 of inch.

A point in Graphics Image is called a pixel. Pixel can have shape of circle (or) square (or) combination of these two shapes.

When these pixels are seen in zoomed ways, then their actual size and shape can be viewed.

Since these pixels are small, single pixel representation are not good for big images thus defining the exact dimensions is essential for good image.

Again pixel Colour can be obtained as combination of colours. Pixel colours are represented by basic primary colours like Red Blue Green (RGB) , Cyan Magenta Yellow (CMY) and black.

For determining good colour effects in pixels for image, the file format plays major role.

So users should experiment different file formats and should know about pixels in images clearly..