A number system is a method to consistently represent numbers using symbols. It is crucial for mathematical calculations and computing. Common types include decimal (base-10), binary (base-2), octal (base-8), and hexadecimal (base-16).

1. Introduction to Number Systems
Definition: A number system is a way to
represent numbers with symbols in a
consistent manner.
Significance: It is the foundation of
mathematical calculations and computing.
Types of Number Systems:
- Decimal (Base-10)
- Binary (Base-2)
- Octal (Base-8)
- Hexadecimal (Base-16)