Binary

Binary is a **base-2** numbering system.

• It uses two binary digits (bits), typically $1$ and $0$.
• Each position corresponds to $2^n$.
• For example, $1001=2^3+2^0$.

• Byte

  A byte is a series of eight bits.

  Link to original

• Nibble

  A nibble is a series of four bits.

  Link to original