Programming in "C‟ | Define following terms: (i) Keyword (ii) Token

(i) Keyword: Keyword is pre-defined or reserved word in a programming language. These cannot be used as identifiers in the program.

(ii) Token: A token is the smallest element of a program that is meaningful to the compiler. 

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Give syntax for switch case statement.

switch(variable) 

{

      case value1:

      statements

      break;

      case value2:

statements;

      break;

      default:

      statements;

      break;

} 

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Give output for following code:

# include <stdio.h>

main( )

{

   int a = 5, b = 6, *ptr1, *ptr2;

   ptr1 = &b;

   ptrt2 = &a;

   printf(“%d%d”, *ptr1, *ptr2);

}

Output: 65 

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List any four relational operators in „C‟.

Relational operators:

==      equal to

!=       Non equal to

 <       less than 

 >       Greater than   

<=      Less than equal to

>=      Greater than equal to 

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