This is the Online Practice Quiz in Error Detection and Correction part 2 from the book, Data Communications and Networking 4th Edition by Behrouz A. Forouzan. If you are looking for a reviewer in Electronics Systems and Technologies (Communications Engineering) this will definitely help you test your knowledge and skill before taking the Board Exam.

### Continue Part II of the Online Practice Quiz

#### Quiz in Error Detection and Correction
**Question 11. In modulo-2 arithmetic, we use the ______ operation for both addition and subtraction. **
**Question 12. In _____ coding, we divide our message into blocks, each of k bits, called ______. **
**Question 13. In block coding, if n = 5, the maximum Hamming distance between two codewords is ________. **
**Question 14. Adding 1 and 1 in modulo-2 arithmetic results in _________. **
**Question 15. We can divide coding schemes into two broad categories: ________ and ______coding. **
**Question 16. In ________ error correction, the receiver corrects errors without requesting retransmission. **
**Question 17. The Hamming distance between equal codewords is _________. **
**Question 18. If the Hamming distance between a dataword and the corresponding codeword is three, there are _____ bits in error. **
**Question 19. In modulo-2 arithmetic, we use only ______. **
**Question 20. Checksums use _________ arithmetic. ** |

### More Practice Quiz in Error Detection and Correction

**Practice Quiz Part 1**

**Practice Quiz Part 2**

**Practice Quiz Part 3**

### Complete Practice Quiz in Data Communications and Networking

Note: After taking this particular quiz, you can proceed to check all the topics.

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