Question

What is the most important characteristic of gray code? Explain.

Answer 1

Gray code changes only by one bit, each time the decimal number is incremented.

| Decimal digit | BCD | Gray |
| --- | --- | --- |
| 0 | 0000 | 0000 |
| 1 | 0001 | 0001 |
| 2 | 0010 | 0011 |
| 3 | 0011 | 0010 |
| 4 | 0100 | 0110 |
| 5 | 0101 | 0111 |