Lesson
Lesson-2.1.8- Describe the processes involved in each of the following error detection methods for detecting errors in data after transmission: parity check (odd and even), checksum and echo check.
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Lesson-2.1.7- Understand the need to check for errors after data transmission and how these errors can occur. Errors can occur during data transmission due to interference, e.g. data loss, data gain and data change.PreviousLesson-2.1.9- Describe how a check digit is used to detect errors in data entry and identify examples of when a check digit is used, including international standard book numbers (ISBN) and bar codes.Next