Computer Science for IGCSE & O level - Data Transmission (Section 13 - No. 13)
Which of the following uses the calculated value which is a sum of values of data, the receiving computer also calculates the value from the block of data and compares the values?
Parity check
Check-digit
Checksum
Automatic repeat request
Explanation
Checksum is a method of error detection where the sender calculates a value based on the data and the receiver does the same. The calculated values are then compared.
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