GCSE AQA SLR13 Adding three 8-bit binary integers This video explains how an arithmetic logic unit can add up to three 8 bit binary numbers together. The electronics needed to create these circuits is explored further at A’level. Also in this topic... GCSE AQA SLR13 Bit patterns GCSE AQA SLR13 Why hexadecimal is used in computer science GCSE AQA SLR13 Converting between decimal and 8 bit binary GCSE AQA SLR13 Converting between decimal and 2 digit hexadecimal GCSE AQA SLR13 Representing images