It is a symbol that human computer language developed to control the operation of devices and the computer works as a human need. Initially, the computer works. The command must be written in the form of binary numbers which consists of 0 and 1, so writing drivers for your very difficult, because if the encoding errors. The computer would crash or result does not meet the required purpose. Later, the men developed a form of language. Using text in the English language that is easily understood. There are several rules of the language by a different computer languages, there are a lot of multiple languages. Each language has a simple and objective difficulties of a different language so that software developers need to use computer language to suit the required development and the ability to use the language of that person's computer