Computer Science for IGCSE & O level - Data Transmission (Section 14 - No. 33)
Which of the following methods are used to determine errors in the transmitted data? (Select all that apply)
Check digit
Automatic repeat request
Parity check
Encryption
הֶסבֵּר
Check digits, ARQ, and parity checks are error detection methods. Encryption ensures data confidentiality, not error detection.