Computer Science for IGCSE & O level - Data Transmission (Section 5 - No. 28)
In the context of data transmission, what does the term "checksum" refer to?
A type of encryption algorithm.
A method of error detection.
A form of data compression.
A type of network protocol.
Giải thích
A checksum is a value calculated from a block of data and used to detect errors during transmission.