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What are the Type Declaration & Input/Output Instructions In C Programming Language?

This type of instruction is used to declare the type of variable being used in the program.

Any variable used in the program must be declared before using it in any statement.

This instruction is usually written at the beginning of the C program.

Example:

int a;
float re,ad;
char name ,des.

Input Output instructions

These instructions are used to supply input data to a program and obtain the output results from it.

Example:

printf(), scanf().

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