Quantum Computing Advanced Flashcards
(25 cards)
What is a qubit?
A qubit is the basic unit of quantum information that can exist in multiple states simultaneously, unlike a classical bit which is either 0 or 1.
True or False: Quantum superposition allows qubits to be in a state of 0 and 1 at the same time.
True
Fill in the blank: Quantum ________ is the phenomenon that allows particles to be correlated with each other regardless of distance.
entanglement
What is the primary advantage of quantum computing over classical computing?
Quantum computing can solve certain problems much faster than classical computers due to superposition and entanglement.
Which algorithm is famous for factoring large integers using quantum computing?
Shor’s algorithm
Multiple Choice: Which of the following is NOT a quantum algorithm? A) Grover’s algorithm B) Dijkstra’s algorithm C) Shor’s algorithm
B) Dijkstra’s algorithm
What is the role of quantum gates in quantum computing?
Quantum gates manipulate qubits and perform operations on them, similar to classical logic gates.
True or False: Quantum decoherence is the process by which a quantum system loses its quantum properties due to interaction with its environment.
True
Fill in the blank: The ________ principle states that certain pairs of physical properties cannot be simultaneously known to arbitrary precision.
Heisenberg uncertainty
What is a quantum circuit?
A quantum circuit is a model for quantum computation where a sequence of quantum gates is applied to a set of qubits.
Multiple Choice: Which of the following is a quantum error correction code? A) Shor code B) Hamming code C) Reed-Solomon code
A) Shor code
What does the term ‘quantum supremacy’ refer to?
Quantum supremacy refers to the point at which a quantum computer can perform a calculation that is infeasible for the best classical computers.
True or False: Quantum computers can run all classical algorithms more efficiently.
False
Fill in the blank: The ________ theorem is a fundamental result in quantum mechanics that describes the limitations of measuring quantum states.
no-cloning
What is a quantum simulator?
A quantum simulator is a quantum computer designed to simulate quantum systems and phenomena, providing insights into complex quantum behaviors.
Multiple Choice: Which of the following is a challenge in building quantum computers? A) Quantum entanglement B) Quantum decoherence C) Quantum teleportation
B) Quantum decoherence
What is the purpose of a quantum annealer?
A quantum annealer is designed to solve optimization problems by finding the lowest energy state of a system.
True or False: Quantum key distribution (QKD) uses principles of quantum mechanics to securely distribute encryption keys.
True
Fill in the blank: The ________ algorithm is used for searching unsorted databases with quadratic speedup compared to classical algorithms.
Grover’s
What is a topological qubit?
A topological qubit is a type of qubit that is based on the topology of quantum states, which can provide resilience against decoherence.
Multiple Choice: Which organization is known for its research in quantum computing? A) NASA B) IBM C) Both A and B
C) Both A and B
What is the significance of Bell’s theorem in quantum mechanics?
Bell’s theorem demonstrates that no local hidden variable theory can reproduce all the predictions of quantum mechanics, highlighting the non-locality of quantum entanglement.
True or False: Quantum algorithms can be classified into two types: those that provide speedup and those that do not.
True
Fill in the blank: The ________ experiment demonstrates the principle of superposition using a double-slit setup.
double-slit
