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GCSE Computer Science · key term
The process of finding the total of two or more numbers written in binary.
Used by AQA and Edexcel
Paper 2
Revise: Binary AdditionBinary addition finds the total of numbers written using only 0s and 1s. It follows the same column method as decimal addition: align matching place values, start at the right and work left.
Specification 2.1.4 · Paper 1
Adding numbers represented using only the digits 0 and 1, carrying into the next column whenever a column total is 2 or 3.
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Binary addition works like denary column addition, but each column can contain only a 0 or a 1. Binary place values double as you move left: 1, 2, 4, 8 and so on. Therefore, two units in one column become one unit in the next column to the left.
