Web Page

Regular expressions and finite automata, Context-free grammars and push-down automata, Regular and context-free languages, Pumping lemma, Turing machines and undecidability.

$$\scriptsize{\overset{{\large{\textbf{Mark Distribution in Previous GATE}}}}{\begin{array}{|c|c|c|c|c|c|c|c|}\hline
\textbf{Year}& \textbf{2022} & \textbf{2021-1}&\textbf{2021-2}&\textbf{2020}&\textbf{2019}&\textbf{2018}&\textbf{2017-1}&\textbf{2017-2}&\textbf{2016-1}&\textbf{2016-2}&\textbf{Minimum}&\textbf{Average}&\textbf{Maximum}
\\\hline\textbf{1 Mark Count} & 2 &2&3&3&2&2&2&3&3&3&2&2.5&3
\\\hline\textbf{2 Marks Count} & 3 &3&4&3&3&3&5&3&3&3&3&3.3&5
\\\hline\textbf{Total Marks} & 8 &8&11&9&8&8&12&9&9&9&\bf{8}&\bf{9.1}&\bf{12}\\\hline
\end{array}}}$$

Most answered questions in Theory of Computation

30 votes
6 answers
81
36 votes
6 answers
82
42 votes
6 answers
88
Given the following state table of an FSM with two states $A$ and $B$,one input and one output.$$\small\begin{array}{|c|c|c|c|c|c|}\hline \textbf{PRESENT} & \textbf{PRESE...
43 votes
6 answers
90
Consider the following Finite State Automaton:The language accepted by this automaton is given by the regular expression$b^*ab^*ab^*ab^*$$(a + b)^*$$b^*a(a+b)^*$$b^*ab^*a...