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MCQ

Q.

For the following grammar: S ? A | B | 2 A ? C0 | D B ? C1 | E C ? D | E | 3 D ? E0 | S E ? D1 | S Identify all the unit pairs

A

D,C

B

A,B

C

B,C

D

A,C

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MCQ

1.

Consider the languages L1 = and L2 = {a}. Which one of the following represents L1 L2* U L1*

B

a*

C

All of the mentioned

D

None of the mentioned

Discussion

MCQ

2.

NFA-?s are defined because certain properties can be more easily proved on them as compared to NFA.

A

True

B

False

C

May be

D

Can't say

Discussion

MCQ

3.

If R is regular language and Q is any language (regular/ non regular), then Pref (Q in R) is _____________

A

Non-regular

B

Equal

C

Infinite

D

Regular

Discussion

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4.

A nondeterministic finite automaton with ?-moves is an extension of nondeterministic finite automaton

A

True

B

False

C

May be

D

Can't say

Discussion

MCQ

5.

Union of two languages L and M is written as?

A

LM = {st | s is in L and t is in M}

B

L+M

C

L*M

D

L U M = {s | s is in L or s is in M}

Discussion

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