Parity checks and Automatic Repeat reQuests (ARQ) can be used to check for errors during data transmission and storage. (a)A system uses even parity. Write the appropriate parity bit for each byte. | Parity Bit | | | | | | | | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | | 1 | 0 | 1 | 0 | 0 | 1 | 1 | | | 1 | 0 | 1 | 1 | 1 | 1 | 1 | | | 1 | 0 | 1 | 0 | 0 | 0 | 1 | [2] (b) Explain how Automatic Repeat reQuests (ARQ) are used in data transmission and storage. \_\_\_\_ \_\_\_\_ \_\_\_\_ \_\_\_\_ [2] (c) State one other method that could be used to check for transmission errors. \_\_\_\_ [1]

2018 - O/N - 0478/13 | Q2

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Parity checks and Automatic Repeat reQuests (ARQ) can be ...