Could you outline a circuit design for checking if a number is divisible by three?

Hard Difficulty

Hard questions require advanced understanding and critical thinking. Here, your problem-solving skills are key, as these questions often involve complex scenarios needing in-depth analysis and well-structured responses.

Circuits question

Circuits questions evaluate your understanding of electronic fundamentals. Demonstrate your ability to analyze, design, and troubleshoot electrical components, showing knowledge of circuit theory and practical implementation challenges.

Here's a Hint

Consider using modular arithmetic properties and how divisibility by 3 relates to the sum of digits in a number.