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Q.

RE can be used only for values of type string and number.

A

True

B

False

C

n>

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MCQ

1.

If a

A

True

B

False

C

n>

Discussion

MCQ

2.

Consider the production of the grammar S->AA A->aa A->bb Describe the language specified by the production grammar.

A

L = {aaaa,aabb,bbaa,bbbb}

B

L = {abab,abaa,aaab,baaa}

C

L = {aaab,baba,bbaa,bbbb}

D

L = {aaaa,abab,bbaa,aaab}

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MCQ

3.

Regular expression (x/y)(x/y) denotes which of the following set?

A

{xy,xy}

B

{xx,xy,yx,yy}

C

{x,y}

D

{x,y,xy}

Discussion

MCQ

4.

Which of the following pairs of regular expressions are equivalent?

A

1(01)* and (10)*1

B

x (xx)* and (xx)*x

C

x⁺ and x⁺ x^(*+)

D

All of the mentioned

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MCQ

5.

?-transitions does not add any extra capacity of recognizing formal

A

True

B

False

C

May be

D

Can't say

Discussion

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