Which of the following assertions about Turing Machines is true? Blank symbol(s) may occur in the input. At any stage of a computation, there are only finitely many non-blank Symbols on the tape.

Related MCQs

• Which of the following statements is/are FALSE? (1) For every non-deterministic Turing machine, there exists an equivalent deterministic Turing machine. (2) Turing recognizable languages are closed under union and complementation. (3) Turing decidable languages are closed under intersection and complementation (4) Turing recognizable languages are closed under union and intersection.
• Consider the following problem x. Given a Turing machine M over the input alphabet Σ, any state q of M. And a word w Є Σ*, does the computation of M on w visit the state q? Which of the following statements about x is correct?
• The number of symbols necessary to simulate a Turing machine with m symbols and n states
• A FSM can be considered, having finite tape length without rewinding capability and unidirectional tape movement
• Consider a language L for which there exists a Turing machine ™, T, that accepts every word in L and either rejects or loops for every word that is not in L. The language L is
• He difference between a read-only Turing machine and a two-way finite state machine is
• Fred created a new automaton model which is a push down automaton but with two stacks and the added ability of having commands which do not read input tape but which can pop from one stack and push into the other.This new automaton can recognize (choose strongest result)
• Which of the following statement is false for a turing machine?
• Which of the following statements are TRUE? (1) The problem of determining whether there exists a cycle in an undirected graph is in P. (2) The problem of determining whether there exists a cycle in an undirected graph is in NP. (3) If a problem A is NP-Complete, there exists a non-deterministic polynomial time algorithm to solve A.
• If Turing machine accepts all the words of the languages L and rejects or loops for other words, which are not in L, then L is said to be