Mock Exam #20 Answer Key Discussion

1. Gray code representation of 14 is

1010
1100
1001
1110

2. What is XS3 Code of 24 is


0101 0111
0101 1111
0111 0111
11011111

3. Reflected binary code (RBC) is


XS3 Code
Gray code
1's Complement
2's Complement

4.A Cyclic Redundancy Check (CRC) is


Error-detecting code
Error Correction Code
Random Checking Code
None of these

5. Code invented by W. Wesley Peterson


CRC
Gray Code
XS3 Code
None of these