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programming is a way of sending instructions to the computer. to create these instructions, long-term use programming languages to create source code, and the source code is then converted into machine (or object) code, the only language that a computer understands. people, however, have 6 as machine code. as a result, most assembly languages, and then higher level languages were developed. programming languages require that information be provided in a certain order and structure, and symbols to be used, and sometimes even that punctuationbe used. these rules are called the syntax of the programming language, and they vary a great deal from one language to another.categories of languages.based on evolutionary history, programming languages fall into one of the following three broad categories:machine languages. the machine is consist of the 0s and 1s of the binary number system and are defined by the hardware design. a computer understands only its machine language, the commands in the instruction set that instruct the computer to perform elementary operations such as loading, storing, adding, and subtracting.assembly languages. these languages were developed by using Englishlike name. Programmers worked in text editors to create their source files.to convert the source code into object code, the researchers created translator programs called assemblers. assembly languages are still much easier to use than machine language.higher level languages. these languages use syntax that is close to human language, they use familiar words instead of communicating in digits. to express computer operations, they use operators, such as the plus or minus sign, that are the familiar components of mathematics. as a result, the reading, writing, and understanding computer programs is easier.FORTRAN, COBOL, basic, pascal, c, c + +, java, activex.
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