The document contains summaries and figures about error correction codes including CRC, binary division, polynomials, checksums, Hamming codes, and detecting single-bit errors. The figures relate to topics such as polynomial division, data units with checksums, examples of Hamming codes, and detecting errors.

1. CRC
Figure 9-10
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2. Binary Division
Figure 9-11
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3. Polynomial
Figure 9-12
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4. Figure 9-13
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Polynomial and Divisor

5. Standard Polynomials
Figure 9-14
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6. Checksum
Figure 9-15
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7. Figure 9-16
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Data Unit and Checksum

8. Error Correction
Figure 9-17
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9. Hamming Code
Figure 9-18
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10. Figure 9-19
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Hamming Code

11. Figure 9-19-continued
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Hamming Code

12. Figure 9-20
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Example of Hamming Code

13. Single-bit error
Figure 9-21
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14. Figure 9-22
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Error
Detection