Here is Question No. 35 a part of our series on UPSC Prelims 2022.
Q35. Which one of the following is the context in which the term “qubit” is mentioned?
a) Cloud Services b) Quantum Computing c) Visible Light Communication Technologies d) Wireless Communication Technologies
Answer – B
A qubit is a quantum bit, the counterpart in quantum computing to the binary digit or bit of classical computing. In classical computing, the information is encoded in bits, where each bit can have the value zero or one. In quantum computing the information is encoded in qubits. A qubit is a two-level quantum system where the two basis qubit states are usually written as 0 and 1. As it exhibits superposition, a qubit can be in state 0 or 1 or (unlike a classical bit) both in a linear combination of both states
