AS & A Level Computer Science (9618) - Chapter 1: Understanding Data Representation

0:00 Introduction to Binary, Denary, and Hexadecimal 5:29 Converting from Binary to Denary and Vice Versa 8:25 Converting from Binary to Hexadecimal and Vice Versa 11:09 Converting from Hexadecimal to Denary and Vice Versa 13:02 Numbers and Quantities (Prefix), Storage Terminology 16:40 Represent Negative Numbers with Two's Complement 19:55 Binary Arithmetic 25:06 Binary Coded Decimal 29:57 Representing Text (ASCII, Unicode 1/2/3/4 byte code) 36:18 Representing Image (Vector Graphic, Bitmap) 43:36 Representing Sound (Sample Rate, Sampling Resolution) 48:20 File Compression (Lossless, Run Length Encoding, Huffman Encoding) & (Lossy) You can purchase the slides that I use here 🏬: Link: https://www.jamesgan.net/alevelcs Thanks for supporting, super grateful for each of you! Credit: Music is provided by Chillhop Music. Knowmadic, Shy Guy - Alone https://chll.to/81003e92