Question Discussion & Solution

MCQ

Which of the following is true?

(01)*0 = 0(10)*

(0+1)*0(0+1)*1(0+1) = (0+1)*01(0+1)*

(0+1)*01(0+1)*+1*0* = (0+1)*

All of the mentioned

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MCQ

Regular expression are

Type 0 language

Type 1 language

Type 2 language

Type 3 language

Discussion

MCQ

Which of the follwing options is incorrect?

A language L is regular if and only if ~L has finite number of equivalent classes.

Let be a regular Language. if ~L has k equivalent classes,then and DFA that recognizes L must have atmost k states

A language is L is NFA-regular if and only if it is DFA-regular

None of the mentioned

Discussion

MCQ

The set of all strings over ? = {a,b} in which all strings having bbbb as substring is

(a+b)* bbbb (a+b)*

(a+b)* bb (a+b)*bb

bbbb (a+b)*

bb (a+b)*

Discussion

MCQ

(a+b)* is equivalent to

b*a*

(a*b*)*

a*b*

none of the mentioned

Discussion

MCQ

If ?= {0,1}, then ?* will result to:

None of the mentioned

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