Q35 · UPSC Prelims 2022 · Set A · Current Affairs and GK

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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

Correct answer: (b) Quantum Computing

Explanation

  1. A

    Cloud Services

    Cloud services. Use qubits only if the cloud is a quantum machine.

  2. B

    Quantum Computing

    Quantum computing. A qubit is the unit of quantum information.

  3. C

    Visible Light Communication Technologies

    Visible-light communication. Li-Fi; not qubits.

  4. 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.

Same topic · past papers

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These previous-year questions sit on the same topic. Open one to practise the earlier ask.

  1. 2026 · Q49 · General Studies · 2 marks

    Which of the following statements with regard to the National Quantum Mission (NQM) is/are correct? 1. It aims at developing intermediate-scale quantum computers with 50-1000 physical qubits. 2. Its implementation includes setting up of four Thematic Hubs (T-Hubs) in academic and national R&D institutes across India. Select the answer using the code given below:

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