The process of ensuring the reliability and correctness of quantum algorithms, hardware, and applications. 

The field of computing that harnesses the principles of quantum mechanics to perform advanced computations, using qubits instead of classical bits. 

An emerging technology with security opportunities and vulnerabilities, requiring new encryption methods. 

The phenomenon where the state of one quantum particle is correlated with the state of another, even when separated by great distances. 

Errors and disruptions in quantum computations caused by external factors like thermal noise, electromagnetic radiation, and cosmic rays. 

The process of testing quantum software, including quantum circuits, gates, and algorithms, while considering the probabilistic nature of quantum computing.