Explore topic-wise MCQs in Automata Theory.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Automata Theory knowledge and support exam preparation. Choose a topic below to get started.

1.

Let w be a string and fragmented by three variable x, y, and z as per pumping lemma. What does these variables represent?

A. string count
B. string
C. string count and string
D. none of the mentioned
Answer» B. string
2.

Answer in accordance to the third and last statement in pumping lemma:
For all _______ xyiz L

A. i>0
B. i<0
C. i<=0
D. i>=0
Answer» E.
3.

Fill in the blank in terms of p, where p is the maximum string length in L.
Statement: Finite languages trivially satisfy the pumping lemma by having n = ______

A. p*1
B. p+1
C. p-1
D. None of the mentioned
Answer» C. p-1
4.

There exists a language L. We define a string w such that w L and w=xyz and |w| >=n for some constant integer n.What can be the maximum length of the substring xy i.e. |xy|<=?

A. n
B. |y|
C. |x|
D. none of the mentioned
Answer» B. |y|
5.

Let w= xyz and y refers to the middle portion and |y|>0.What do we call the process of repeating y 0 or more times before checking that they still belong to the language L or not?

A. Generating
B. Pumping
C. Producing
D. None of the mentioned
Answer» C. Producing
6.

If we select a string w such that w L, and w=xyz. Which of the following portions cannot be an empty string?

A. x
B. y
C. z
D. all of the mentioned
Answer» C. z
7.

Relate the following statement:
Statement: All sufficiently long words in a regular language can have a middle section of words repeated a number of times to produce a new word which also lies within the same language.

A. Turing Machine
B. Pumping Lemma
C. Arden s theorem
D. None of the mentioned
Answer» C. Arden s theorem