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WorksheetsQuiz on Quantum Computing
Total questions: 30
Worksheet time: 16mins
1. What distinguishes a quantum computer from a classical computer?
It uses classical mechanics for processing
It uses quantum mechanics for processing
C. It only uses binary digits
D. It relies on vacuum tubes
2. What does the term “quantum” refer to?
A. A large unit of energy
B. The smallest possible discrete unit of any physical property
C. A type of computer algorithm
D. A new programming language
3. Who is considered one of the founding figures of quantum computing?
A. David Deutsch
B. Peter Shor
C. Richard Feynman
D. Lov Grover
4. Which algorithm is famous for breaking RSA encryption?
A. Shor’s Algorithm
B. Grover’s Algorithm
C. Deutsch’s Algorithm
D. Quantum Fourier Transform
5. In which year was the first qubit experiment conducted by IBM and Los Alamos?
A. 1998
B. 2001
C. 1985
D. 2007
6. At approximately what temperature do quantum computers operate?
A. 300–350 K
B. 77–80 K
C. 0.01–0.015 K
D. 273–300 K
7. What is used to maintain the extremely low temperatures required by quantum computers?
A. Standard air conditioning
B. Heating elements in reverse
C. Household refrigerators
D. Liquid helium cryogenic cooling systems
8. Which company launched the first commercial quantum computer in 2007?
A. IBM
B. Google
C. D-Wave Systems
D. Microsoft
9. What milestone did Google’s quantum computer, Sycamore, achieve in 2019?
A. Factored the number 15
B. Solved a problem in 200 seconds that would take a supercomputer 10,000 years
C. Created a 1000-qubit system
D. Developed a new quantum programming language
10. What does the term “superposition” refer to in quantum computing?
A. A state where a qubit is either 0 or 1 exclusively
B. The process of error correction
C. A state where qubits can be in a combination of 0 and 1 simultaneously
D. A classical computing process
11. What is quantum entanglement?
A. The isolation of qubits from one another
B. A method to increase computing speed
C. A process to cool qubits
D. A phenomenon where qubits affect each other’s states instantaneously regardless of distance
12. In quantum computing, what does decoherence refer to?
A. The loss of quantum information due to interaction with the environment
B. The stabilization of quantum states
C. The enhancement of quantum superposition
D. A method for error correction
13. What is a quantum gate?
A. A simple AND or OR gate from classical computing
B. A basic circuit component that performs reversible operations on qubits
C. A hardware cooling device
D. A storage element in a quantum computer
14. What is the primary function of a quantum circuit?
A. To generate classical binary outputs
B. To store digital data
C. To operate on qubits using quantum gates
D. To control cooling systems
15. Which application falls under quantum cryptography?
A. RSA encryption
B. Digital signatures
C. AES encryption
D. Quantum key distribution
16. Which quantum programming framework is provided by IBM?
A. Qiskit
B. Cirq
C. TensorFlow Quantum
D. Quantum Studio
17. Which quantum programming framework is developed by Google?
A. Qiskit
B. Cirq
C. Microsoft Quantum Development Kit
D. QuantumFlow
18. According to the presentation, how many qubits can typically be built via simulation?
A. 2–3 qubits
B. 10 qubits
C. 5–7 qubits
D. 100 qubits
19. What is Microsoft’s trending quantum chip mentioned in the presentation?
A. Sycamore
B. QuantumOne
C. Willow
D. Majorana 1
20. What is the name of Google’s quantum chip as mentioned in the presentation?
A. Sycamore
B. Willow
C. Big Blue
D. QuantumX
21. Which of the following is NOT a quantum algorithm mentioned in the presentation?
A. Shor’s Algorithm
B. Grover’s Algorithm
C. Deutsch’s Algorithm
D. Newton’s Algorithm
22. What is the significance of Peter Shor's contribution to quantum computing?
A. He proposed the idea of quantum simulation
B. He developed an algorithm to factor large numbers and break RSA encryption
C. He introduced the concept of superposition
D. He designed the first quantum gate
23. What is the main role of quantum gates in quantum computers?
A. To perform irreversible operations
B. To store quantum information
C. To construct quantum circuits by performing reversible operations on qubits
D. To generate electrical power
24. What is one disadvantage of quantum computers mentioned in the presentation?
A. Their extremely high speed
B. Their compact design
C. Their low energy consumption
D. The difficulty associated with the measurement of quantum states
25. Which real-life example was used in the presentation to illustrate quantum computing applications?
A. Silicon Valley startups
B. Demonte colony
C. Wall Street trading
D. NASA space missions
26. What does “quantum supremacy” refer to?
A. A quantum computer outperforming classical computers on specific tasks
B. A quantum computer with unlimited qubits
C. The ability to run all quantum algorithms flawlessly
D. A new quantum encryption standard
27. Who introduced the concept of a universal quantum computer?
A. Richard Feynman
B. Yuri Manin
C. David Deutsch
D. Peter Shor
28. Which event marked a significant milestone in testing quantum computing by factoring a number?
A. The introduction of universal quantum computing in 1985
B. IBM testing Shor’s Algorithm by factoring the number 15 in 2001
C. The first qubit experiment in 1998
D. The launch of the first commercial quantum computer in 2007
29. What role do cryogenic cooling systems play in quantum computing?
A. They maintain the extremely low operating temperatures required
B. They generate qubits
C. They perform quantum computations
D. They enhance the superposition state
30. What is one of the main challenges when processing a higher number of qubits on real quantum hardware?
A. Scalability is effortless
B. Users must wait in a queue until processing is completed
C. Unlimited simulation capacity
D. Absence of any programming tools
