SLR13 – Data representation AQA GCSE SLR13 Bit patterns AQA GCSE SLR13 Number bases AQA GCSE SLR13 Converting between decimal and 8 bit binary AQA GCSE SLR13 Converting between decimal and 2 digit hex AQA GCSE SLR13 Adding three 8 bit binary integers AQA GCSE SLR13 Binary shifts AQA GCSE SLR13 Units AQA GCSE SLR13 Characters AQA GCSE SLR13 Images AQA GCSE SLR13 Sound AQA GCSE SLR13 Compression introduction AQA GCSE SLR13 Compression – Huffman coding AQA GCSE SLR13 Compression – Run length encoding Also in this topic... SLR05 – System security SLR06 – Hardware and software SLR11 – Computational logic SLR12 – Classification of programming languages