Day-5 1. What Is a Variable in C? A variable is a named storage space in the computer's memory where you can store data. Think of it as a labeled box where you can keep your data safe and access it when needed. Real-World Example: Imagine you are organizing a bookshelf. Each book has a title, and you can find it easily by its name. In programming, a variable works the same way; it holds a piece of data you can reference by its name. 2. Why Do We Use Variables? Variables make your program flexible. You can store information, change it when needed, and use it throughout your code. This makes your code easier to read and manage. 3. How to Declare and Initialize Variables Declaration: You tell the program you want to create a variable and specify what type of data it will hold. Initialization: You give the variable an initial value. Syntax: data_type variable_name = value; or data_type variable_name; // First Declare v...
