SLR 13 – Data representation 72. AQA GCSE (8525) SLR13 – 3.3 Number bases 73. AQA GCSE (8525) SLR13 – 3.3 Bit patterns 74. AQA GCSE (8525) SLR13 – 3.3 Why hexadecimal is used 75. AQA GCSE (8525) SLR13 – 3.3 Converting between decimal & binary 76. AQA GCSE (8525) SLR13 – 3.3 Converting between decimal & hex 77. AQA GCSE (8525) SLR13 – 3.3 Units 78. AQA GCSE (8525) SLR13 – 3.3 8-bit binary addition 79. AQA GCSE (8525) SLR13 – 3.3 Binary shifts 80. AQA GCSE (8525) SLR13 – 3.3 Characters 81. AQA GCSE (8525) SLR13 – 3.3 Images 82. AQA GCSE (8525) SLR13 – 3.3 Sound 83. AQA GCSE (8525) SLR13 – 3.3 Compression 84. AQA GCSE (8525) SLR13 – 3.3 Compression Huffman coding 85. AQA GCSE (8525) SLR13 – 3.3 Compression Run length encoding