Computer Science for IGCSE & O level - Data Transmission (Section 6 - No. 28)

What is the main limitation of using parity checks for error detection?
It can only detect single-bit errors.
It cannot detect any errors.
It requires extra bits for each byte.
It slows down data transmission.

Explanation

Parity checks are simple but primarily detect single-bit errors. They can miss errors if two bits are corrupted.

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