Define gray code - bcd to decimal conversion, Electrical Engineering

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Define Gray Code - bcd to decimal conversion?

The Gray Code is a variation on binary code in which only 1 bit is changed from the preceding number. The bit so as to changes is the smallest bit that can be changes without repeating an earlier code.

Therefore the counting sequences in base-10, binary and Gray codes go as shown below.

Base-10

Binary

Gray

0

0000

0000

1

0001

0001

2

0010

0011

3

0011

0010

4

0100

0110

5

0101

0111

6

0110

0101

7

0111

0100

8

1000

1100

9

1001

1101

In every subsequent number in Gray code only the lowest bit possible has been changed. The Gray code is used in the simplification of logic circuits.


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