💻 Under construction

Latest Educational Articles & Notes

Computer Science guides, exam techniques, and school news.

September 22, 2026

2.2 Methods of Error Detection (Parity & ARQ)

Error Checking and Automatic Retransmission During data transmission, electrical noise and interference can invert or corrupt bits. Systems use error detection protocols to detect and correct corruption. Parity Checks: Odd or Even parity. A parity bit is added to make the total number of 1s odd or even. Parity blocks / parity bytes allow pinpointing […]

Read Article →