Binary is a number system that only uses two ... no \(2\)s \(1\) in the \(1\) column means there is a \(1\) Or simply add up the values at the top of the columns which contain a \(1\).

Logic adders are digital circuits that add binary numbers in either binary or binary coded decimal (BCD) format. These devices are typically used in arithmetic logic units (ALUs) and registers. There ...