Computer Science for IGCSE & O level - Data Transmission (Section 10 - No. 27)
What is a potential disadvantage of using parity checks?
They can detect all errors.
They can only detect errors in a single bit.
They are very slow.
They do not provide any error detection.
คำอธิบาย
Parity checks have limitations. They can miss errors where an even number of bits are changed.