What is Procedure Oriented Programming (POP) ?

Procedure Oriented Programming (POP)

Procedure Oriented Programming (POP): - In the procedure-oriented approach, the problem is viewed as a sequence of things to be done such as reading calculating and printing. A number of functions are written to accomplish tasks. The primary focus is on functions. Procedure Oriented programming basically consists of writing a list of instructions for computer to follow, and organizing these instructions into groups known as functions. Data is used by various functions.

In a multi- functions program, many important data items are placed as global. So that very they may be accessed by all the functions. Each function has its own local data. C, COBOL, FORTRAN, PASCAL is supported procedure Oriented Programming (POP).

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v Structure of POP

Main Program ⇙⇘

Function-1

Function-2

Function-3

 

v Features / Characteristics of POP

1.   Importance is on algorithm or procedure method.

2.   Large program is divided into smaller program knows as functions.

3.   Most of the functions share global data.

4.   Data moves openly around the system from function to function.

5.   Function transform data from one form to another.

6.   It follows top down approach.

7.   Data security is low.