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This section includes 16 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. |
The following denotion belongs to which type of language:G=(V, T, P, S) |
A. | Regular grammar |
B. | Context free grammar |
C. | Context Sensitive grammar |
D. | All of the mentioned |
Answer» C. Context Sensitive grammar | |
2. |
abb*c denotes which of the following? |
A. | {abnc|n=0} |
B. | {abnc|n=1} |
C. | {anbc|n=0} |
D. | {abcn|n>0} |
Answer» C. {anbc|n=0} | |
3. |
Which of the following strings is not generated by the given grammar:S->SaSbS|e |
A. | aabb |
B. | abab |
C. | abaabb |
D. | None of the mentioned |
Answer» E. | |
4. |
Which of the following regular expression allows strings on {a,b}* with length n where n is a multiple of 4.a) (a+b+ab+ba+aa+bb+aba+bab+abab+baba)*b) (bbbb+aaa |
A. | (a+b+ab+ba+aa+bb+aba+bab+abab+baba)*b) (bbbb+aaaa)*c) ((a+b)(a+b)(a+b)(a+ |
B. | (bbbb+aaaa)* |
C. | ((a+b)(a+b)(a+b)(a+b))* |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
5. |
Which of the following strings do not belong the given regular expression?(a)*(a+cba) |
A. | aa |
B. | aaa |
C. | acba |
D. | acbacba |
Answer» E. | |
6. |
A language is accepted by a push down automata if it is:a) regularb) context freec) both ( |
A. | regularb) context freec) both (a) and ( |
B. | context free |
C. | both (a) and (b) |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
7. |
Which of the following is analogous to the following?:NFA and NPDA |
A. | Regular language and Context Free language |
B. | Regular language and Context Sensitive language |
C. | Context free language and Context Sensitive language |
D. | None of the mentioned |
Answer» B. Regular language and Context Sensitive language | |
8. |
THE_FOLLOWING_DENOTION_BELONGS_TO_WHICH_TYPE_OF_LANGUAGE:?$ |
A. | |
B. | Regular grammar |
C. | Context free grammar |
D. | Context Sensitive grammar |
Answer» C. Context free grammar | |
9. |
ABB*C_DENOTES_WHICH_OF_THE_FOLLOWING??$ |
A. | {abnc|n=0} |
B. | {abnc|n=1} |
C. | {anbc|n=0} |
D. | {abcn|n>0} |
Answer» C. {anbc|n=0} | |
10. |
Which of the following regular expression allows strings on {a,b}* with length n where n is a multiple of 4. |
A. | (a+b+ab+ba+aa+bb+aba+bab+abab+baba)* |
B. | (bbbb+aaaa)* |
C. | ((a+b)(a+b)(a+b)(a+b))* |
D. | None of the mentioned |
Answer» D. None of the mentioned | |
11. |
Which of the following strings do not belong the given regular expression? |
A. | *(a+cba) |
B. | aa |
C. | aaa |
D. | acba |
Answer» E. | |
12. |
Which of the following is an incorrect regular expression identity? |
A. | R+f=R |
B. | eR=e |
C. | Rf=f |
D. | None of the mentioned |
Answer» C. Rf=f | |
13. |
A language is accepted by a push down automata if it is: |
A. | regular |
B. | context free |
C. | both (a) and (b) |
D. | none of the mentioned |
Answer» D. none of the mentioned | |
14. |
Which of the following relates to Chomsky hierarchy? |
A. | Regular<CFL<CSL<Unrestricted |
B. | CFL<CSL<Unrestricted<Regular |
C. | CSL<Unrestricted<CF<Regular |
D. | None of the mentioned |
Answer» B. CFL<CSL<Unrestricted<Regular | |
15. |
Let T={p, q, r, s, t}. The number of strings in S* of length 4 such that no symbols can be repeated. |
A. | 120 |
B. | 625 |
C. | 360 |
D. | 36 |
Answer» C. 360 | |
16. |
Which of the following is analogous to the following? |
A. | |
B. | Regular language and Context Free language |
C. | Regular language and Context Sensitive language |
Answer» B. Regular language and Context Free language | |