1
GATE CSE 2021 Set 2
MCQ (Single Correct Answer)
+2
-0.66
Consider the following two statements about regular languages:
S1: Every infinite regular language contains an undecidable language as a subset.
S2: Every finite language is regular.
Which one of the following choices is correct?
2
GATE CSE 2021 Set 1
MCQ (Single Correct Answer)
+2
-0.67
Consider the following language.
L = { w ∈ {0, 1}* | w ends with the substring 011}
Which one of the following deterministic finite automata accepts L?
3
GATE CSE 2020
Numerical
+2
-0
Consider the following language.
L = {x $$ \in $$ {a, b}* | number of a’s in x is divisible by 2 but not divisible by 3}
The minimum number of states in a DFA that accepts L is ______.
L = {x $$ \in $$ {a, b}* | number of a’s in x is divisible by 2 but not divisible by 3}
The minimum number of states in a DFA that accepts L is ______.
Your input ____
4
GATE CSE 2019
Numerical
+2
-0
Let $\Sigma$ be the set of all bijections from $\{1, \ldots, 5\}$ to $\{1, \ldots, 5\}$, where id denotes the identity function, i.e. $\operatorname{id}(j)=j, \forall j$. Let $\circ$ denote composition on functions. For a string $x=$ $x_1 x_2 \cdots x_n \in \Sigma^n, n \geq 0$, let $\pi(x)=x_1 \circ x_2 \circ \cdots \circ x_n$. Consider the language $L=\left\{x \in \Sigma^* \mid \pi(x)=i d\right\}$. The minimum number of states in any DFA accepting $L$ is $\qquad$
Your input ____
Questions Asked from Finite Automata and Regular Language (Marks 2)
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