CAMBRIDGE IGCSE Topic 1.2 Representing images Also in this topic... CAMBRIDGE IGCSE Topic 1.1 How and why computers use binary to represent all forms of data CAMBRIDGE IGCSE Topic 1.1 Converting between number systems, part 1 CAMBRIDGE IGCSE Topic 1.2 Representing characters and character sets CAMBRIDGE IGCSE Topic 1.3 Units of data storage CAMBRIDGE IGCSE Topic 1.3 Calculating the size of an image and sound file