Checksums & Check Digits · Theory

Ch 2 · Error Detection — card 3 of 3.

• Checksum — the sender calculates a value from the whole block of data and sends it along; the receiver recalculates and compares. A mismatch means corruption.
• Check digit — a final digit calculated from the others (used in barcodes and ISBNs) to catch typing/scanning errors.

Using EVEN parity, what parity bit is added to the data 1101000?