Quantum computing 12 Flashcards
What is the primary focus of quantum computing? a) Speeding up classical computations b) Solving specific problems using quantum mechanical phenomena c) Data encryption d) Cloud computing
b) Solving specific problems using quantum mechanical phenomena
Which company achieved quantum supremacy with the Sycamore chip? a) IBM b) Google c) Microsoft d) Intel
b) Google
What is the smallest unit of quantum computing that can exist in a quantum state? a) Bit b) Qubit c) Byte d) Quantum
b) Qubit
What is the key advantage of using quantum computing over classical computing? a) Faster computation of large-scale data b) Solving problems that are intractable for classical computers c) Cheaper processing d) Better cloud storage
b) Solving problems that are intractable for classical computers
What is quantum supremacy? a) The ability of quantum computers to perform operations faster than classical computers b) A theoretical concept c) When classical computers match quantum computers’ performance d) The ability to crack encryption schemes
a) The ability of quantum computers to perform operations faster than classical computers
Which of the following algorithms can offer exponential speedup in factorizing large integers? a) Grover’s algorithm b) Shor’s algorithm c) Quantum error correction d) Quantum teleportation
b) Shor’s algorithm
What is one of the main challenges in quantum computing today? a) Quantum entanglement b) Quantum coherence c) Quantum cryptography d) Quantum tunneling
b) Quantum coherence
What is the function of the ‘Quantum Volume’ measure? a) Measures the number of quantum gates used in a circuit b) Measures the performance of a quantum computer c) Measures the energy efficiency of a quantum computer d) Measures the number of qubits in use
b) Measures the performance of a quantum computer
Which quantum computing company is known for its quantum chips like ‘Sycamore’ and ‘Willow’? a) IBM b) Google c) Honeywell d) IonQ
b) Google
What is the main application area where quantum computing is expected to make an immediate impact? a) Cryptography b) Gaming c) Virtual reality d) Online advertising
a) Cryptography
What is the general term for the error correction process in quantum computing? a) Quantum retuning b) Quantum feedback c) Quantum error correction d) Quantum calibration
c) Quantum error correction
Which of the following is a challenge when it comes to scaling up quantum computing systems? a) Quantum coherence b) Quantum entanglement c) Quantum volume d) Quantum freezing
a) Quantum coherence
What does Grover’s algorithm provide? a) Exponential speedup in integer factorization b) Quadratic speedup for unstructured search problems c) Error correction for quantum bits d) Theoretical proof of quantum supremacy
b) Quadratic speedup for unstructured search problems
What is the predicted timeline for the widespread availability of fault-tolerant quantum computers? a) 5 years b) 10 years c) 20 years d) 50 years
b) 10 years
What is the main reason quantum computers need extremely cold temperatures? a) To stabilize qubits b) To speed up the calculations c) To improve quantum algorithms d) To reduce noise
a) To stabilize qubits
What does quantum entanglement enable in quantum computing? a) Faster computation b) Error correction c) Instantaneous communication between qubits d) Control over multiple quantum states simultaneously
c) Instantaneous communication between qubits
Which of the following quantum algorithms is best known for speeding up the process of searching an unsorted database? a) Shor’s algorithm b) Grover’s algorithm c) Quantum Fourier Transform d) The Deutsch-Jozsa algorithm
b) Grover’s algorithm
Which company offers Qiskit, an open-source quantum computing framework? a) Google b) IBM c) Honeywell d) Rigetti
b) IBM
Which of the following represents a physical quantum computing system? a) QPU b) CPU c) GPU d) FPGA
a) QPU
What is one of the main advantages of quantum computers over classical computers? a) Better reliability b) Faster processing of large datasets c) Simpler architecture d) Superior networking speed
b) Faster processing of large datasets
Which of the following problems is quantum computing expected to revolutionize? a) Sorting algorithms b) Integer factorization c) Database management d) Internet browsing speed
b) Integer factorization
What is the current limitation of quantum computers with respect to scalability? a) Difficulty in maintaining coherence b) Lack of processing speed c) Insufficient quantum gates d) High power consumption
a) Difficulty in maintaining coherence
Which of the following is a significant problem for quantum computing hardware today? a) Decoherence b) High energy efficiency c) Insufficient computational power d) Lack of quantum programming languages
a) Decoherence
What is the primary application of quantum computing in cryptography? a) Faster transaction processing b) Breaking encryption algorithms c) Developing stronger encryption algorithms d) Faster data storage
b) Breaking encryption algorithms
Which physical phenomenon is exploited to perform quantum computations? a) Quantum tunneling b) Quantum entanglement c) Quantum superposition d) All of the above
d) All of the above
What is the purpose of error correction in quantum computing? a) To eliminate errors from classical computations b) To stabilize quantum states c) To manage quantum algorithms d) To reduce quantum speedup
b) To stabilize quantum states
What is the key distinction of quantum computing compared to classical computing? a) Qubits can exist in multiple states at once b) Quantum computers are faster c) Quantum computers use binary logic d) Quantum computers do not need power
a) Qubits can exist in multiple states at once
What does the concept of ‘quantum volume’ measure? a) The computational speed of a quantum processor b) The number of qubits in use c) The performance of quantum algorithms d) The capability of a quantum computer to handle complex operations
d) The capability of a quantum computer to handle complex operations
What is the expected impact of quantum computing on existing encryption methods? a) Increased security b) Instant decryption of encrypted data c) Replacement of RSA encryption d) All of the above
c) Replacement of RSA encryption
Which of the following companies provides a platform for quantum computing called ‘Azure Quantum’? a) IBM b) Google c) Microsoft d) Intel
c) Microsoft
What does a quantum algorithm that uses quantum parallelism aim to do? a) Speed up classical computations b) Solve problems that are infeasible for classical computers c) Decrypt encrypted data faster d) Improve classical simulation models
b) Solve problems that are infeasible for classical computers
What is a quantum bit also known as? a) Bit b) Qubit c) Byte d) Quantum state
b) Qubit
