Quantum Fourier Transform MCQs With Answers

Computer MCQs 360April 10, 2024

0 5 1 minute read

Welcome to the Quantum Fourier Transform MCQs with Answers. In this post, we have shared Quantum Fourier Transform Online Test for different competitive exams. Find practice Quantum Fourier Transform Practice Questions with answers in Computer Tests exams here. Each question offers a chance to enhance your knowledge regarding Quantum Fourier Transform.

Quantum Fourier Transform Online Quiz

By presenting 3 options to choose from, Quantum Fourier Transform Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Quantum Fourier Transform Questions and Answers and click over the correct answer.

Test Name: Quantum Fourier Transform MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Quantum Fourier Transform

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1 / 40

What is the role of Quantum Fourier Transform (QFT) in quantum algorithms?

Quantum measurement

Change basis

Debugging

2 / 40

What mathematical operation is the Quantum Fourier Transform (QFT) analogous to in classical computing?

Quantum Logic

Discrete Fourier Transform

Quantum Gate

3 / 40

Which complexity class characterizes problems that can be solved efficiently by Quantum Fourier Transform (QFT)?

BQP (Bounded-error Quantum Polynomial time)

NP (Non-deterministic Polynomial time)

PSPACE (Polynomial Space)

4 / 40

Which quantum gate is used to perform controlled operations in Quantum Fourier Transform (QFT)?

Toffoli Gate

Controlled Phase Gate

SWAP Gate

5 / 40

Which classical algorithm can be enhanced by Quantum Fourier Transform (QFT) in signal processing?

Convolution Algorithm

Discrete Fourier Transform

Sorting Algorithm

6 / 40

What is the primary application of Quantum Fourier Transform (QFT) in optimization problems?

Network security

Speedup in finding optimal solutions

Error correction

7 / 40

Which classical algorithm is equivalent to Quantum Fourier Transform (QFT) in information processing?

Sorting Algorithm

Convolution Algorithm

Discrete Fourier Transform

8 / 40

What does the term "QFT gate" refer to in Quantum Fourier Transform (QFT)?

Quantum Entanglement

Quantum Logic

Sequence of quantum operations

9 / 40

Which classical algorithm is analogous to Quantum Fourier Transform (QFT) in classical computing?

A* Search Algorithm

Discrete Fourier Transform

Sorting Algorithm

10 / 40

What is the role of phase estimation in Quantum Fourier Transform (QFT)?

Determine eigenvalues

Optimize memory

Debugging

11 / 40

What is the primary advantage of using Quantum Fourier Transform (QFT) in quantum algorithms?

Network security

Error correction

Speedup in computation

12 / 40

Which quantum gate is a fundamental component of Quantum Fourier Transform (QFT)?

Hadamard Gate

Phase Gate

CNOT Gate

13 / 40

What is the role of Quantum Fourier Transform (QFT) in quantum error correction?

Basis for error correction

Debugging

Optimize quantum gates

14 / 40

What is the primary goal of Quantum Fourier Transform (QFT) in quantum computing?

Debugging

Transform basis states

Optimize resource

15 / 40

Which quantum gate is used to perform rotations in Quantum Fourier Transform (QFT)?

Hadamard Gate

Phase Gate

Pauli-Y Gate

16 / 40

Which principle of quantum mechanics does Quantum Fourier Transform (QFT) leverage?

Superposition

Measurement

Uncertainty Principle

17 / 40

What does the term "quantum advantage" refer to in the context of Quantum Fourier Transform (QFT)?

Computational superiority

Debugging

Optimize memory

18 / 40

Which quantum algorithm extensively uses Quantum Fourier Transform (QFT) as a subroutine?

Shor's Algorithm

Grover's Algorithm

Deutsch-Jozsa Algorithm

19 / 40

Which quantum gate is used to apply controlled phase shifts in Quantum Fourier Transform (QFT)?

SWAP Gate

Controlled Phase Gate

Pauli-X Gate

20 / 40

What is the main limitation of Quantum Fourier Transform (QFT) on current quantum computers?

Software compatibility

Hardware constraints

Noise and error rates

21 / 40

What does "quantum computational speedup" signify in Quantum Fourier Transform (QFT)?

Debugging

Faster computation time

Optimize resource

22 / 40

Which quantum gate is used for applying conditional phase shifts in Quantum Fourier Transform (QFT)?

Phase Gate

Hadamard Gate

CNOT Gate

23 / 40

What is the main advantage of using Quantum Fourier Transform (QFT) over classical Fourier Transform?

Error correction

Speedup

Network security

24 / 40

What is the significance of Quantum Fourier Transform (QFT) in quantum cryptography?

Enhance security protocols

Debugging

Optimize quantum gates

25 / 40

Which type of problems does Quantum Fourier Transform (QFT) efficiently solve on quantum computers?

Period finding

Optimization problems

Sorting problems

26 / 40

What does "quantum computational speedup" refer to in the context of Quantum Fourier Transform (QFT)?

Faster computation

Debugging

Optimize resource

27 / 40

What does the term "QFT circuit" refer to in Quantum Fourier Transform (QFT)?

Quantum Logic

Sequence of quantum gates

Quantum Entanglement

28 / 40

What is the role of quantum registers in Quantum Fourier Transform (QFT)?

Debugging

Optimize quantum gates

Store quantum states

29 / 40

What is the primary focus of Quantum Fourier Transform (QFT) in quantum information theory?

Optimize resource

Transforming quantum states

Debugging

30 / 40

Which quantum gate is used to create superpositions in Quantum Fourier Transform (QFT)?

Hadamard Gate

Toffoli Gate

CNOT Gate

31 / 40

Which classical algorithm can be enhanced by Quantum Fourier Transform (QFT)?

A* Search Algorithm

Sorting Algorithm

Discrete Fourier Transform

32 / 40

Which principle of quantum mechanics explains the effectiveness of Quantum Fourier Transform (QFT)?

Quantum measurement

Quantum interference

Superposition

33 / 40

What is the complexity of Quantum Fourier Transform (QFT) in terms of classical computation?

Exponential

Polynomial

Linear

34 / 40

Which complexity class is associated with Quantum Fourier Transform (QFT) in quantum computing?

BQP (Bounded-error Quantum Polynomial time)

PSPACE (Polynomial Space)

NP (Non-deterministic Polynomial time)

35 / 40

What does the term "quantum parallelism" refer to in the context of Quantum Fourier Transform (QFT)?

Simultaneous computation

Memory capacity

Error correction

36 / 40

What does "quantum parallelism" enable in Quantum Fourier Transform (QFT)?

Optimize memory

Debugging

Simultaneous computations

37 / 40

Which aspect of Quantum Fourier Transform (QFT) involves manipulating qubits efficiently?

Quantum measurement

Computational efficiency

Quantum coherence

38 / 40

Which quantum gate is used in Quantum Fourier Transform (QFT) to perform controlled rotations?

Pauli-Z Gate

Hadamard Gate

Controlled Phase Gate

39 / 40

Which complexity class characterizes problems that can be efficiently verified by Quantum Fourier Transform (QFT)?

PSPACE (Polynomial Space)

NP (Non-deterministic Polynomial time)

BQP (Bounded-error Quantum Polynomial time)

40 / 40

What is the primary application of Quantum Fourier Transform (QFT) in Shor's Algorithm?

Boolean function

Sorting integers

Period finding

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Computer MCQs 360April 10, 2024

0 5 1 minute read