Introduction to quantum automata MCQs

By: Prof. Dr. Fazal Rehman | Last updated: September 23, 2024

MCQs on Quantum Automata What distinguishes quantum automata from classical automata? A) Quantum automata use quantum bits (qubits) for computation. B) Quantum automata have a finite tape. C) Quantum automata can simulate Turing machines. D) Quantum automata are limited to regular languages. Answer: A) Quantum automata use quantum bits (qubits) for computation. True or False: Quantum automata can process information using superposition and entanglement. A) True B) False Answer: A) True Which computational model can quantum automata extend beyond in terms of computational power? A) Deterministic finite automaton (DFA) B) Pushdown automaton (PDA) C) Turing machine (TM) D) Linear-bounded automaton (LBA) Answer: C) Turing machine (TM) What is a primary advantage of quantum automata over classical automata in terms of computational capability? A) Quantum automata can recognize context-free languages. B) Quantum automata can solve NP-complete problems efficiently. C) Quantum automata have fewer computational constraints. D) Quantum automata require less memory space. Answer: B) Quantum automata can solve NP-complete problems efficiently. Which type of quantum automaton is equivalent to a deterministic finite automaton (DFA)? A) Quantum finite automaton (QFA) B) Quantum pushdown automaton (QPDA) C) Quantum Turing machine (QTM) D) Quantum linear-bounded automaton (QLBA) Answer: A) Quantum finite automaton (QFA) In quantum automata, what role do qubits play in computation? A) They store classical bits of information. B) They enable parallel computation. C) They simulate a Turing machine tape. D) They represent a stack in automata theory. Answer: B) They enable parallel computation. Which theoretical framework is primarily used to understand the computational power of quantum automata? A) Quantum physics B) Quantum mechanics C) Quantum computing D) Quantum complexity Answer: C) Quantum computing Which statement best describes the relationship between quantum automata and classical automata? A) Quantum automata are strictly more powerful than classical automata. B) Quantum automata can only recognize regular languages. C) Classical automata are more efficient in memory usage. D) Classical automata can simulate quantum automata. Answer: A) Quantum automata are strictly more powerful than classical automata. Which property of quantum automata makes them suitable for solving complex computational problems efficiently? A) Their ability to use probabilistic computation B) Their capacity to simulate Turing machines C) Their ability to perform operations in superposition D) Their deterministic nature Answer: C) Their ability to perform operations in superposition Which aspect of quantum automata distinguishes them from classical automata in terms of computational complexity? A) Their ability to perform non-deterministic computations B) Their reliance on classical bits for computation C) Their ability to exploit quantum entanglement D) Their limitation to recognizing regular languages Answer: C) Their ability to exploit quantum entanglement  
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