Computer Science for IGCSE & O level - Data Transmission (Section 3 - No. 7)
In which error-detection method is the data sent back to the sender to check for any kind of error?
Parity Checks
Checksum
Echo Check
Automatic Repeat Request (ARQ)
คำอธิบาย
The echo check method uses the process where the data is sent back to the sender for data verification.