1. What is decoherence?
2. Why is circuit depth as important as qubit count?
3. Why are superconducting quantum processors kept at around 10 to 15 millikelvin?
4. Why can classical error correction not be applied to quantum states? Select all that apply.
5. How does quantum error correction detect errors without destroying the computation?
6. Roughly how many physical qubits may be needed for one logical qubit?
7. One announcement reports a 1,000 physical qubit processor and another a 100 logical qubit machine. Which is more capable?
8. What does operating below threshold mean?
9. What did Google's Willow result in December 2024 demonstrate, and what did it not?
10. Which of these are common ways quantum results are overstated without being false? Select all that apply.