Quantum Computing, Nisq, Qubit Fidelity, Quantum Error Correction, Near Perfect Qubits.
number of nines of qubit fidelity, such as: NP2. Two nines of qubit fidelity — 99%. Not really near-perfect, but the upper edge of noisy qubits. NP3. Three nines of qubit fidelity — 99.9%. NP3.5. Three and a half nines of qubit fidelity — 99.95%. NP4. Four nines of qubit fidelity — 99.99%. NP4.75.