Introduction to Data Structures

• A computer is a machine that manipulate information
• The study of computer science include the study of

1. How it can be manipulated
2. How it can be utilized
3. How it can be organized in a computer.

Thus, it is exceedingly important for a student of computer to understand the concept of information

organization and manipulation in order to continue study of the field

What is data Structure?

Data structure is a collection of data elements organized in a specified manner and accessing function

are defined to store and retrieve individual elements.

Organizing data means: 

How they are arranged in relation to each other.

• Which data are kept in memory?
• Which data are calculated when needed?
• Which data are kept in files, and how are the files arranged.