Computer Science for IGCSE & O level - Data Transmission (Section 9 - No. 17)
Which of the following methods are used to detect errors in data transmission?
Parity checks
Checksum
Encryption
CRC (Cyclic Redundancy Check)
Paliwanag
Parity checks, checksum, and CRC are common methods of error detection. Encryption is for security, not error detection.