CAMBRIDGE IGCSE Topic 1.1 Why hexadecimal is used as a beneficial method of data representation Also in this topic... CAMBRIDGE IGCSE Topic 1.1 Number systems CAMBRIDGE IGCSE Topic 1.1 Converting between number systems, part 2 CAMBRIDGE IGCSE Topic 1.1 Logical binary shifts CAMBRIDGE IGCSE Topic 1.2 Representing sound CAMBRIDGE IGCSE Topic 1.2 Representing images