IGCSE Computer Science (2026-2028): C1 - Data Representation

Purchase the slides I used in my videos here: https://www.jamesgan.net/igcsecs Timestamp: 0:00 Binary System 2:37 Binary to Denary 4:42 Denary to Binary 6:11 Hexadecimal System 7:29 Binary to Hexadecimal 11:24 Hexadecimal to Denary 12:42 Denary to Hexadecimal 14:10 Usage of Hexadecimal 17:00 Binary Addition 22:50 Binary Shifting 28:25 Two's Complement (negative numbers) 33:56 Representing image, numbers and sound 46:50 Measurement of data storage and calculation of file size 55:08 Data Compression