1) Which of the following is untrue about DFA? Answer a. There may not be any fi

Question

1)Which of the following is untrue about DFA?

Answera.

There may not be any final states

Each state emits one labeled edge for each letter of alphabet A

One state is designated as the start state

There must be at least a final state

2)Let S be the set of states that can be reached from the start state of a DFA over A. The definition of the equivalence relation of states is: For states s, t in S, s ~ t if for all strings w in A*,

Answer

either T(s, w) and T(t, w) are both final or both nonfinal

T(s, w) and T(t, w) are identical

T(s, w) and T(t, w) are both final

T(s, w) and T(t, w) are both nonfinal

4)

5)

6)

7)

8)

There may not be any final states

b.

Each state emits one labeled edge for each letter of alphabet A

c. .

One state is designated as the start state

d. .

There must be at least a final state

Given the following DFA, set E0 is constructed to transform the DFA to minimum state DFA. What is E1? AE1 = {{0,1},{1,2}} bE1 = {{1,2}} CE1 = {{0,1} , {0,2} , {1,2}} DE1 = {{0,2} , {1,2}} The following is a DFA designed for regular expression ba* . Find proper labels for the transitions. Given the following NFA, what is the lambda-closure of state 0? A{0,1,2} B{1} C{0,1} D{0} Given the following DFA, what is set E0 for transforming the DFA to minimum state DFA? Given the following NFA, what is lambda ({0, 1})? A.{1} B.{0} C.{0,1} D. {0,1,2}

Explanation / Answer

a

c

c

d

a

d

c

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