Computer Science

Binary Addition

Apply basic binary addition rules.

0+0=0; 0+1=1; 1+0=1; 1+1=10

Formula Explanation

Binary addition follows base-2 place values and carries one when a column totals two.

Variables Explained

Carry = Digit passed to the next higher place.

Solved Example

Add binary 101 and 011.
101₂ + 011₂ = 1000₂.

Exam Tip

Remember that 1 + 1 produces 0 in the current column and carry 1.