Question

Reflected binary code is also known as ___________

(a) BCD code

(b) Binary code

(c) ASCII code

(d) Gray Code

I had been asked this question in a national level competition.

This intriguing question comes from Code Converters in chapter Combinational Circuits of Digital Circuits

Answer 1

The correct answer is (d) Gray Code

Best explanation: The reflected binary code is also known as gray code because one digit reflected to the next bit. In Gray Code, every sequence of successive bits differs by 1 bit only.