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This section includes 9 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. |
WHICH_OF_THE_FOLLOWING_PAIR_OF_REGULAR_EXPRESSION_ARE_NOT_EQUIVALENT??$ |
A. | 1(01)* and (10)*1 |
B. | x(xx)* and (xx)*x |
C. | (ab)* and a*b* |
D. | x+ and x*x+ |
Answer» D. x+ and x*x+ | |
2. |
ΦL is equivalent t?# |
A. | LΦ |
B. | Φ |
C. | L |
D. | ϵ |
Answer» B. ‚âà√≠¬¨‚àÇ | |
3. |
(a+b)* is equivalent to |
A. | b*a* |
B. | (a*b*)* |
C. | a*b* |
D. | none of the mentioned |
Answer» C. a*b* | |
4. |
ϵL is equivalent to$ |
A. | ϵ |
B. | Φ |
C. | L |
D. | Lϵ |
Answer» D. L‚âà√¨¬¨¬µ | |
5. |
a? is equivalent to |
A. | a |
B. | a+Φ |
C. | a+ϵ |
D. | wrong expression |
Answer» D. wrong expression | |
6. |
Regular expression Φ* is equivalent to$ |
A. | ϵ |
B. | Φ |
C. | 0 |
D. | 1 |
Answer» B. ‚âà√≠¬¨‚àÇ | |
7. |
Precedence of regular expression in decreasing order is |
A. | * , . , + |
B. | . , * , + |
C. | . , + , * |
D. | + , a , * |
Answer» B. . , * , + | |
8. |
Regular expression {0,1} is equivalent to |
A. | 0 U 1 |
B. | 0 / 1 |
C. | 0 + 1 |
D. | All of the mentioned |
Answer» E. | |
9. |
A regular language over an alphabet a is one that can be obtained from |
A. | union |
B. | concatenation |
C. | kleene |
D. | All of the mentioned |
Answer» E. | |