Assembly Language, Machine Language

Assembly Language: It  is human understandable language that is written by language. It is a medium of communication with a computer in which programs are written in mnemonics. Binary instructions are given abbreviated names called mnemonics, which form
the assembly language for a given processor.

Machine Language: As we know that a machine can understand only binary digit either 0 or 1. Generally a program is written in high level language like C or in assembly language that is only understandable to human. a machine can't understand high level language or assembly language. So that it is converted into binary form that is understandable by a machine is known as Machine Language.