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Theory of Computation
Finite Automata and Regular Language
Marks 1Marks 2Marks 5
Push Down Automata and Context Free Language
Marks 1Marks 2
Undecidability
Marks 1Marks 2
Recursively Enumerable Language and Turing Machine
Marks 1Marks 2
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1
GATE CSE 1994
Fill in the Blanks
+2
-0
The regular expression for the language recognized by the finite state automation of is _________. GATE CSE 1994 Theory of Computation - Finite Automata and Regular Language Question 81 English
2
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
If $$G$$ is a context-free grammar and $$w$$ is a string of length $$n$$ in $$L(G),$$ how long is a derivation of $$w$$ in $$G,$$ if $$G$$ is Chomsky normal form?
A
$$2n$$
B
$$2n+1$$
C
$$2n-1$$
D
$$n$$
3
GATE CSE 1992
MCQ (Single Correct Answer)
+2
-0.6
Which of the following regular expression identities are true?
A
$$r\left( {^ * } \right) = r{}^ * $$
B
$$\left( {r{}^ * s{}^ * } \right){}^ * = \left( {r + s} \right){}^ * $$
C
$$\,\left( {r + s} \right){}^ * = r{}^ * + s{}^ * $$
D
$$r{}^ * s{}^ * = r{}^ * + s{}^ * $$
4
GATE CSE 1991
MCQ (Single Correct Answer)
+2
-0.6
Let $$r = 1\,{\left( {1 + 0} \right)^ * },s = {11^ * }\,0$$ and $$\,t = {1^ * }\,0$$ be three regular expressions. Which one of the following is true?
A
$$L\left( s \right) \subseteq L\left( r \right)\,\,$$ and $$L\left( s \right) \subseteq L\left( t \right)\,\,$$
B
$$L\left( r \right) \subseteq L\left( s \right)\,\,$$ and $$L\left( s \right) \subseteq L\left( t \right)\,\,$$
C
$$L\left( s \right) \subseteq L\left( t \right)\,\,$$ and $$L\left( s \right) \subseteq L\left( r \right)\,\,$$
D
$$L\left( t \right) \subseteq L\left( s \right)\,\,$$ and $$L\left( s \right) \subseteq L\left( r \right)\,\,$$
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Questions Asked from Marks 2
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GATE CSE Subjects
Theory of Computation
Operating Systems
Algorithms
Digital Logic
Database Management System
Data Structures
Computer Networks
Software Engineering
Compiler Design
Web Technologies
General Aptitude
Discrete Mathematics
Programming Languages
Computer Organization