Igcse Computer Science 2026 2028 C2 Data Packet Packet Switching Error Detection Method

Purchase the slides I used in my videos here:. https://www.jamesgan.net/igcsecs. . 0:00 Structure of a data packet and packet switching . 9:25 Types and modes of data transmission. 16:45 USB . 19:25 Methods of error detection . 21:12 Method 1: Parity Check . 28:01 Method 2: Checksum. 31:18 Method 3: Echo Check . 33:13 Method 4: Automatic Repeat Request. 35:20 Method 5: Check Digit . 38:32 Symmetric and Asymmetric Encryption