Homework Answers
Since every multi-tape Turing machine can be simulated by single-tape Turing machine, hence in terms of computation power, both are equivalent.
If a multi-tape Turing machine has T tapes, then we can divide the single tape of single tape Turing-machine into T tracks and hence every single move of multi-tape Turing machine can be simulated by O(T) moves of single-tape Turing machine. Hence if O(N) is time complexity of multi-tape Turing machine then O(NT) will be the time complexity of single tape Turing machine. Hence the difference in time complexity is polynomial and not exponential.
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Subject : Theory of Computation
Please answer , posting second time now cause nobody answered it
previously
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4. (6 pts) Give an implementation-level description (describe how you would move the tape head, what you write on the tape, etc) of a Turing machine that decides the language (w w contains an even number of Is) over the alphabet (0,1)
4. (6 pts) Give an implementation-level description (describe how you would move the tape head, what you write on the tape, etc) of a Turing machine that decides the language (w w contains an even number of Is)...
5. Two tape Turing machine both tapes initially contain (A+B+C)* each tape is read sequentially at the same time, e.g. position 0 on both tapes, then position 1 on both tapes etc. if the characters match on both tapes at one specific position then nothing is changed if the characters do not match then the characters are swapped.
Subject : Theory of Computation
Please answer , posting second time now cause nobody answered it
previously
Problem 3: Turing Machine Models Turing-Recognisablity and Decidability [20] a. Show that an FA with a FIFO queue is Turing universal (i.e equivalent in computational power to a Turing machine). You should regard this machine as being formally defined in a way that is very similar to a PDA, except that on each transition, instead of pushing and/or popping a character, the machine...
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