01. Data Representation CAMBRIDGE IGCSE Topic 1.1 How and why computers use binary to represent all forms of data CAMBRIDGE IGCSE Topic 1.1 Number systems CAMBRIDGE IGCSE Topic 1.1 Converting between number systems, part 1 CAMBRIDGE IGCSE Topic 1.1 Converting between number systems, part 2 CAMBRIDGE IGCSE Topic 1.1 Why hexadecimal is used as a beneficial method of data representation CAMBRIDGE IGCSE Topic 1.1 Adding two positive 8-bit binary integers CAMBRIDGE IGCSE Topic 1.1 Logical binary shifts CAMBRIDGE IGCSE Topic 1.1 Signed integers using two’s complement CAMBRIDGE IGCSE Topic 1.2 Representing characters and character sets CAMBRIDGE IGCSE Topic 1.2 Representing sound CAMBRIDGE IGCSE Topic 1.2 Representing images CAMBRIDGE IGCSE Topic 1.3 Units of data storage CAMBRIDGE IGCSE Topic 1.3 Calculating the size of an image and sound file CAMBRIDGE IGCSE Topic 1.3 Compression CAMBRIDGE IGCSE Topic 1.3 Lossy and lossless compression methods
