Quantum Computing MCQ Questions

This section focuses on "Basics" of Quantum Computing. These Multiple Choice Questions (MCQ) should be practiced to improve the Quantum Computing skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. Which phenomena of quantum mechanics used in Quantum computing?

A. superposition
B. interference
C. entanglement
D. All of the above

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2. Devices that perform quantum computations are known as?

A. quantimize
B. quantum computers
C. quantum devices
D. None of the above

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3. The study of quantum computing is a subfield of quantum information science.

C. Can be true or false
D. Can not say

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4. A qubit can be in a_________ quantum state

A. 0
B. 1
C. 1 or 0
D. Can not say

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5. In which year first quantum computer (2-qubit) was created?

A. 1998
B. 2000
C. 2001
D. 2003

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6. Who suggested that a quantum computer had the potential to simulate things a classical computer could not feasibly do?

A. Yuri Manin
B. Richard Feynman
C. and
D. Yuri Feynman

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7. Who is the father of quantum computing?

A. Isaac Chuang
B. Neil Gershenfeld
C. Philip Glass
D. David Deutsch

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8. What do we call the pieces of information in a quantum computer?

A. Bits
B. Qubits
C. Bytes
D. Qubytes

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9. The study of the computational complexity of problems with respect to quantum computers is known as quantum complexity theory.

A. Yes
B. No
C. Can be yes or no
D. Can not say

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10. In Quantum circuit, A memory consisting of n bits of information has _______ possible states.

A. 2n
B. n*n
C. n
D. 2^n

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