Unpacked Content
Knowledge
Students know:
- How to perform modular arithmetic.
- Binary numbers
Skills
Students are able to:
- Determine if a code such as a zip code or a UPC code contains an errors.
- Determine if a code can be corrected.
- Identify situations where errors should be corrected or just detected.
Understanding
Students understand that:
- Data that is transferred can contain errors and codes can be used to detect errors.
- Error correcting codes can be used to increase the likelihood of accuracy.
Vocabulary
- Check digits
- Information digits
- Barcodes
- UPC codes
- Binary digits or bits
- Substitution error
- Transposition error
- Maximum likelihood decoding
- Hamming distance, minimum distance