Let A C,D,w C and D are DFAs and w is a string such that Suppose we are trying to construct a Turing machine M that decides A as follows M On input C,D,w Do something Do some other things What is wrong with the above TM M a The input format is incorrect It should be b Need an explanation about what are C, D, and w c Nothing wrong with TM M d Both a and b b

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Question: Let A = { < C,D,w > | C and D are DFAs and w is a string such that ...}. Suppose we are trying

Let A = { < C,D,w > | C and D are DFAs and w is a string such that ...}. Suppose we are trying to construct a Turing machine M that decides A as follows:

M = "On input C,D,w:

Do something
Do some other things"

What is wrong with the above TM M?

	a.	The input format is incorrect. It should be .
	b.	Need an explanation about what are C, D, and w.
	c.	Nothing wrong with TM M.
	d.	Both a and b.

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