A video mode that can be defined as horizontal pixels by vertical pixels by colors. Graphics modes can display an unlimited variety of shapes and fonts.[hexadecimal] A base-16 numbering system, often used in programming to identify addresses in the computer's memory and I/O memory addresses for devices. The sequence of decimal numbers from 0 through 16, for example, is expressed in hexadecimal notation as: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F, 10. In text, hexadecimal numbers are often followed by