What is the main challenge in building large-scale quantum computers?
a) Lack of algorithms
b) Quantum decoherence and error rates
c) Slow qubit generation
d) Lack of programming languages
Answer:
b) Quantum decoherence and error rates
Explanation:
One of the major challenges in building large-scale quantum computers is managing quantum decoherence and minimizing error rates, which affect the stability of qubits.