NCERT Book Class 11 Computer Science Programming Methodology

Introduction

Learning to write computer program is very much like learning any skill. First, we

should understand the problems well and then try to solve it in a logical manner. For

example: We have read many books available in the market for describing the car

driving methods. However, we can learn driving once we actually get into the car and

start driving it. The same logic is applied in computer programming also. Computer

programming is the process of writing, testing, troubleshooting, debugging and

maintaining of a computer program.

An effective program is that which gives result of all different inputs, including wrong

input also. While creating program, we need to follow certain systematic approach. This

systematic approach comprises two steps/things, viz., program structure and program

representation. The program structure is implemented by using top-down or bottom-up

approach and is known as „popular approach‟, while the program representation plays

an important role in making the program more readable and understandable.

What is a Good Program?

A Good Program means that it should produce correct and faster results, taking into

account all the memory constraints. While making good program, we need to follow

certain guidelines of programming language for creating a successful program. The

following is the list of good programming habits that most people agree.

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