Meaning :
C is a high level object oriented structured programming language . It is developed by Dennis Ritchie in 1972
Types of C language are Turbo C, Ansi C, Borland C.
Compiler of C language are : C++, Gcc
Features: (i) It is portable language.
(ii) It is standard and general purpose programming language.
(iii) It is middle level language since, it is closer to machine level and high level language.
Use/Application: C language is used to develop system program as well as machine based application.
Data type : char, int, float, double
Variable : Variable is an identifier of data stored in computer memory.
Operator :Operator is sign or symbol that is used to calculate between two or more variables or operands in the program. C supports the following types of operators.
(i) Arithmetic operator [ +,-, *, /, ^, % ]
(ii) Relational Operator [ >, <, >=, <=, ==, !=]
(iii) Logical Operator [&&, ||, ! ]
Keyword : Keyword is the reserved word which has special meaning in program .C supports 32 keywords.
Eg. Int, if, for, do, switch etc.
Difference between C and Qbasic language:
(i) C language has only 32 keywords but Qbasic has more than 189 keywords.
(ii) C language supports only function module but Qbasic supports both function and sub modules.
