C++ Programming Data Types | Lecture 4 | The TechLight Academy

C++ Programming, Lecture 4 , we explain Data Types in C++ in a simple and easy way.
This lecture helps students understand what type of data a variable can store, how much memory is required, and which operations can be performed.

This lecture is specially prepared by The TechLight Academy for beginners ,advancement programming concept and university students.
Data Type
A data type tells:
• What type of data will be stored
• How much memory is required
• What type of operations can be performed
Basic Data Types in C++
Integer Data Type (int)
• Stores whole numbers / numeric values
• No decimal point
Example:
int a = 10;
Memory: 4 bytes

Float Data Type (float)
• Stores fractional / decimal values
• Precision up to 6 digits
Example:
float b = 345.555;
Memory: 4 bytes

Double Data Type (double)
• Stores decimal values with high precision
Example:
double c = 12345.6789;
Memory: 8 bytes
Character Data Type (char)
• Stores single character
• Uses single quotes
Example:
char grade = '#';
Memory: 1 byte

String Data Type (string)
• Stores collection of characters
• Uses double quotes
Example:
string name = "Ali";

Key Concepts Covered
• Variable
• Memory address
• Data type
• int, float, double, char, string
• Memory size
• Syntax rules
• Real examples
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