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Which of the following is a multi tape turing machine?
- a)Post turing Machine
- b)Wang-B Machine
- c)Oblivious turing Machine
- d)All of the mentioned
Correct answer is option 'C'. Can you explain this answer?
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Which of the following is a multi tape turing machine?a)Post turing Ma...
An oblivious turing machine where movements of various heads are fixed functions of time, independent of the input. Pippenger and Fischer showed that any computation that can be performed by a multi-tape Turing machine in n steps can be performed by an oblivious two-tape Turing machine in O(n log n) steps.
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Which of the following is a multi tape turing machine?a)Post turing Ma...
Introduction:
A multi-tape Turing machine is a type of Turing machine that has multiple tapes for input and output. These machines are more powerful than single-tape Turing machines as they can perform multiple operations simultaneously.
Oblivious Turing Machine:
- The Oblivious Turing Machine is a type of multi-tape Turing machine that has multiple tapes but operates in a way that the movement of the tapes is predetermined and not influenced by the input.
- This machine is called "oblivious" because it does not change its behavior based on the input provided; the movement of the tapes is pre-defined.
Post Turing Machine and Wang-B Machine:
- Post Turing Machine and Wang-B Machine are not multi-tape Turing machines.
- Post Turing Machine is a variation of the standard Turing machine with a two-dimensional tape, while the Wang-B Machine is a type of Turing machine that uses a 2D tape but does not have multiple tapes.
Conclusion:
In conclusion, the Oblivious Turing Machine is a multi-tape Turing machine that operates with multiple tapes where the movement is predetermined and not influenced by the input. This distinguishes it from other types of Turing machines like the Post Turing Machine and Wang-B Machine, making it the correct option for this question.
A multi-tape Turing machine is a type of Turing machine that has multiple tapes for input and output. These machines are more powerful than single-tape Turing machines as they can perform multiple operations simultaneously.
Oblivious Turing Machine:
- The Oblivious Turing Machine is a type of multi-tape Turing machine that has multiple tapes but operates in a way that the movement of the tapes is predetermined and not influenced by the input.
- This machine is called "oblivious" because it does not change its behavior based on the input provided; the movement of the tapes is pre-defined.
Post Turing Machine and Wang-B Machine:
- Post Turing Machine and Wang-B Machine are not multi-tape Turing machines.
- Post Turing Machine is a variation of the standard Turing machine with a two-dimensional tape, while the Wang-B Machine is a type of Turing machine that uses a 2D tape but does not have multiple tapes.
Conclusion:
In conclusion, the Oblivious Turing Machine is a multi-tape Turing machine that operates with multiple tapes where the movement is predetermined and not influenced by the input. This distinguishes it from other types of Turing machines like the Post Turing Machine and Wang-B Machine, making it the correct option for this question.
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Which of the following is a multi tape turing machine?a)Post turing Machineb)Wang-B Machinec)Oblivious turing Machined)All of the mentionedCorrect answer is option 'C'. Can you explain this answer?
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