A
Cloud Services
B
Quantum Computing
C
Visible Light Communication Technologies
D
Wireless Communication Technologies
Correct answer: (b) Quantum Computing
Explanation
- A
Cloud Services
Cloud services. Use qubits only if the cloud is a quantum machine.
- B
Quantum Computing
Quantum computing. A qubit is the unit of quantum information.
- C
Visible Light Communication Technologies
Visible-light communication. Li-Fi; not qubits.
- D
Wireless Communication Technologies
Wireless communication. Classical RF.
Summary. Official key is (b) quantum computing. A qubit (quantum bit) can be in superposition; it is the basic information unit of a quantum processor.