This guide to data representation covers all the key concepts you need to know to understand the principles of representing data in computer systems. Whether you're a GCSE, IB or A-level computer science student, our guide provides a detailed explanation of how data is represented in binary, hexadecimal, and ASCII formats, as well as the different types of data, such as integers, floating-point numbers, characters, and images. We also cover the basics of digital circuits and logic gates, and explain how they are used to represent and process data in computer systems. Our guide includes real-world examples and case studies to help you master data representation principles and prepare for your computer science exams. Check out the links below: