

MCQOPTIONS
Saved Bookmarks
This section includes 14 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. |
δ(A,1) = B, δ(A,0) =A Δ (B, (0,1)) =C δ(C,0) = A (Initial state =A)String=”011001” is transit at which of the states? |
A. | A |
B. | C |
C. | B |
D. | Invalid String |
Answer» B. C | |
2. |
Given:L= {xϵ∑= {0,1} |x=0n1n for n>=1}; Can there be a DFA possible for the language? |
A. | Yes |
B. | No |
Answer» C. | |
3. |
Given L= {Xϵ∑*= {a, b} |x has equal number of a, s and b’s}. Which of the following property satisfy the regularity of the given language? |
A. | Regularity is dependent upon the length of the string |
B. | Regularity is not dependent upon the length of the string |
C. | Can’t be said for a particular string of a language |
D. | It may depend on the length of the string |
Answer» C. Can’t be said for a particular string of a language | |
4. |
For the DFA given below compute the following:Union of all possible combinations at state 7,8 and 9. |
A. | {aba, ac, cc, ca, cb, bc, bab, ca} |
B. | {bab, bc, ac, aba, ca, aac, ccb} |
C. | {cc, ca, cb, aba, bab, ac} |
D. | {aba, ac, cc, ca, cb, bc, bab, caa} |
Answer» E. | |
5. |
Let the given DFA consist of x states. Find x-y such that y is the number of states on minimization of DFA? |
A. | 3 |
B. | 2 |
C. | 1 |
D. | 4 |
Answer» C. 1 | |
6. |
Let ∑= {a, b, …. z} and A = {Hello, World}, B= {Input, Output}, then (A*∩B) U (B*∩A) can be represented as: |
A. | can be represented as:a) {Hello, World, Input, Output, ε} |
B. | {Hello, World, ε} |
C. | {Input, Output, ε} |
D. | {} |
Answer» E. | |
7. |
Which of the following is the corresponding Language to the given DFA? |
A. | L= {x ϵ {0, 1} * | x ends in 1 and does not contain substring 01} |
B. | L= {x ϵ {0,1} * |x ends in 1 and does not contain substring 00} |
C. | L= {x ϵ {0,1} |x ends in 1 and does not contain substring 00} |
D. | L= {x ϵ {0,1} * |x ends in 1 and does not contain substring 11} |
Answer» C. L= {x ϵ {0,1} |x ends in 1 and does not contain substring 00} | |
8. |
The password to the admins account=”administrator”. The total number of states required to make a password-pass system using DFA would be __________ |
A. | 14 states |
B. | 13 states |
C. | 12 states |
D. | A password pass system cannot be created using DFA |
Answer» B. 13 states | |
9. |
δ(A,1) = B, δ(A,0) =?# |
A. | ) =C |
B. | = A (Initial state =A) |
C. | |
Answer» B. = A (Initial state =A) | |
10. |
Given: |
A. | |
B. | Yes |
Answer» C. | |
11. |
Given L= {Xϵ∑*= {a, b} |x has equal number of a, s and b’s}.$ |
A. | |
B. | Regularity is dependent upon the length of the string |
C. | Regularity is not dependent upon the length of the string |
Answer» C. Regularity is not dependent upon the length of the string | |
12. |
For a machine to surpass all the letters of alphabet excluding vowels, how many number of states in DFA would be required? |
A. | 3 |
B. | 2 |
C. | 22 |
D. | 27 |
Answer» B. 2 | |
13. |
Let ∑= {a, b, …. z} and A = {Hello, World}, B= {Input, Output}, then (A*∩B) U (B*∩A) can be represented as:$ |
A. | {Hello, World, Input, Output, ε} |
B. | {Hello, World, ε} |
C. | {Input, Output, ε} |
D. | {} |
Answer» E. | |
14. |
The password to the admins account=”administrator”. The total number of states required to make a password-pass system using DFA would be __________ |
A. | 14 states |
B. | 13 states |
C. | 12 states |
D. | A password pass system cannot be created using DFA |
Answer» B. 13 states | |