Explaining monolithic and modular programming in C
The differences, advantages and disadvantages between monolithic programming and modular programming are explained in detail below.
Monolithic Programming
If we write the entire program in one function, i.e. in the main function, then we call it monolithic programming. However, writing the entire logic in one function is not a good programming style.
Disadvantages
The disadvantages of monolithic programming include:
- The program looks very large and complex.
- Debugging, testing and maintaining programs is very difficult.
Modular Programming
If the program is divided into functional parts, then we call it modular programming.
If the main program is divided into subprograms, then we can write each submodule independently and then combine them into a single unit. Such independent modules are called functions.
Advantages
The advantages of modular programming include:
- Easy to understand the program.
- Debugging and maintenance made easy.
- Save programmer or user time.
- Reuse code where needed.
Examples of modular programming
An example of modular programming is given below:
Perform arithmetic operations on two numbers
The steps are as follows:
- Find the sum
- Find the difference
- Finding the product
- Finding the quotient
The third step of the refinement algorithm
The refinement of calculating the product of two numbers The algorithm is as follows:
- Take two numbers a and b
- The product c = a * b
- Print the product
Structural diagram
The structure diagram is explained below:
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