Paper 2 · Computer terminology
A value or character appended to the end of a numeric code, used to check the validity of the code after it is copied or entered, is called a
Acheck digit
Bparity bit
Chash total
Dcontrol total
Explanation: A check-digit is a value/character appended at the end of a numeric code to check the code's validity on transcription.
Derived from ZIMSEC Computer Studies 7014/2 Paper 2, November 2017, Q1

