Question
a.
εR=R
b.
ε*=ε
c.
Ф*=ε
d.
RФ=R
Posted under Formal Languages and Automata Theory
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. Which among the following are incorrect regular identities?
Similar Questions
Discover Related MCQs
Q. Simplify the following regular expression:
ε+1*(011) *(1*(011) *) *
View solution
Q. P, O, R be regular expression over ∑, P is not ε, then
R=Q + RP has a unique solution:
View solution
Q. Arden’s theorem is true for:
View solution
Q. The difference between number of states with regular expression (a + b) and (a + b) * is:
View solution
Q. In order to represent a regular expression, the first step to create the transition diagram is:
View solution
Q. (0+ε) (1+ε) represents
View solution
Q. The minimum number of states required to automate the following Regular Expression:
(1) *(01+10) (1) *
View solution
Q. Regular Expression denote precisely the ________ of Regular Language.
View solution
Q. Which of the following is correct?
Statement 1: ε represents a single string in the set.
Statement 2: Ф represents the language that consist of no string.
View solution
Q. The appropriate precedence order of operations over a Regular Language is
View solution
Q. Regular Expression R and the language it describes can be represented as:
View solution
Q. Let for ∑= {0,1} R= (∑∑∑) *, the language of R would be
View solution
Q. If ∑= {0,1}, then Ф* will result to:
View solution
Q. The given NFA represents which of the following NFA
View solution
Q. Which of the following represents a language which has no pair of consecutive 1’s if ∑= {0,1}?
View solution
Q. The finite automata accept the following languages:
View solution
Q. (a + b*c) most correctly represents:
View solution
Q. Which of the following regular expressions represents the set of strings which do not contain a substring ‘rt’ if ∑= {r, t}
View solution
Q. According to the precedence rules, x-y-z is equivalent to which of the following?
View solution
Q. Dot operator in regular expression resembles which of the following?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Formal Languages and Automata Theory? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!