MCQOPTIONS
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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 | |