Representing Images

Bit map - An image file format where the picture is represented asset of dots or pixels.

Bitmap image  - A graphic that is made up of pixels

Colour depth - The number of bits used for each pixel in an image file

Metadata - Data that explain details about the file. For an image this could be file type, pixel width and height, colour depth ect. 

Pixel - ’Picture cell’ – a dot that makes up a part of an image. Resolution The number of dots per unit length. It affects the clarity

Resolution - The number of dots per unit length. It affects the clarity of the image.

Vector Graphics - Graphics stored as formulae.