PROGRAMMINGSIDE

We all know that pointer is a variable that store the address of another variable and pointer variable itself has an address in memory.

Definition : Pointer is a variable that stores the address of an object. Here object can be variable.

Here is C program to convert a decimal number into binary number. This program is asked frequently in interview. Many software companies ask this question.

Definition: Keywords are words whose meaning has already been explained to compiler. We can not use keywords as variable name. Compiler will not allow to set a new  meaning to keyword.

Definition of constant and variable. Constant: An entity that does not change. Variable: An entity that may change.

Definition: A character in C language is any alphabet, digit or special symbol used to represent information.