PROGRAM:

 a well defined set of instructions  given to computer is called a computer program. a computer program  is written in  a programming language.

PROGRAMMING LANGUAGE:

                                                     a set of words and symbols used to write programs  is called  programming language. 

the programming languages are used to write  computer programs. a programming language  is a means of communication between  a user and a computer.

a person who develops computer programs  is called programmer. the programmer develops to instruct  the  computer how to  process data convert into information. programmer uses programming languages or tools to write programs. 

two main catageroious of  programming languages. low level languages and high level languages.

 Machine language:

a program written in machine language can be executed very  fast for computer. The computer does not need  any translator to understand this language.

a language  that is close to hardware and far from human language is called low level languages. 

a language that is close to hardware and far from human languages is called low level languages. 

the example of high level languages are C, JAVA,  PASCAL, FORTRAN, BASIC