The revision series for Pearson Edexcel GCSE 9 1 from Pearson This book will help you to Organise your revision with the one topic per page format Prepare for your GCSE exams with exam style practice ...

Consider a simple black-and-white image. If 0 is black (or on) and 1 is white (or off), then a simple black-and-white picture can be created using binary. In a low-resolution image, the pixels are ...