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Q.

The RE in which any number of 0?s is followed by any number of 1?s followed by any number of 2?s is?

A

(0+1+2)*

B

0*1*2*

C

0* + 1 + 2

D

(0+1)*2*

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MCQ

1.

All __________ are automatically treated as regular expressions

A

Programmatic description

B

Window

C

Win Object

D

Collection

Discussion

MCQ

2.

The set of all strings over ? = {a,b} in which strings consisting a

A

ab

B

a*bbb

C

(a+b)* bb

D

All of the mentioned

Discussion

MCQ

3.

The non terminal that gives null will said to have a null production

A

TRUE

B

FALSE

C

Can be true or false

D

Can not say

Discussion

MCQ

4.

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}

Discussion

MCQ

5.

An individual token is called ________

A

Lexeme

B

Lex

C

Lexeme & Lex

D

None of the mentioned

Discussion

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