Decimal is our everyday number system, using digits 0-9.

• Uses digits 0-9
• Most commonly used numbering system by humans
• Each position has a weight of powers of 10
• Example: 123 = 1×10² + 2×10¹ + 3×10⁰

Binary is the most basic representation of data in computing, using only 0s and 1s.

• Each bit can only be 0 or 1
• Forms the foundation of all digital systems
• Usually grouped in 8-bit bytes
• Can be represented with a prefix like '0b101010'