Computer Science for IGCSE & O level - Data Transmission (Section 7 - No. 49)
What is the main disadvantage of using parity checks for error detection?
It can only detect single-bit errors.
It requires significant processing power.
It increases the transmission speed.
It can detect all types of errors.
Giải thích
Parity checks are simple but only effective at detecting single-bit errors. They may miss more complex errors.