Q. Which grammar defines Lexical Syntax

View solution

Q. It has encoded within it information on the possible sequences of characters that can be contained within any of the tokens it handles .Above motioned function is performed by?

View solution

Q. Lexers are often generated by a lexer generator, same as parser generators,

View solution

Q. Which one is a lexer Generator

View solution

Q. Which of the lexical analyser can handle Unicode

View solution

Q. Which NDFA correctly represents the following RE :

a(bab)*∪a(ba)*

View solution

Q. Which is the correct NDFA for the following mentioned expression? (ab)*∪(aba)*.

View solution

Q. Construct a NDFA for the following regular expression :

(a∪b)*aba(a∪b)*

View solution

Q. A deterministic finite automation (DFA)D with alphabet ∑= {a,b} is given below.
Which of the following is a valid minimal DFA which accepts the same language as D?

View solution

Q. What is the complement of the language accepted by the NFA shown below? Assume ∑ = {a} and ε is the empty string.

View solution

Q. Consider the set of strings on {0,1} in which, every substring of 3 symbols has at most two zeros. Complete the partially completed DFA that accepts this language is shown below. The missing arcs in the DFA are

View solution

Q. Convert the NFA to DFA

View solution

Q. Examine the following DFA: If input is 011100101, which edge is NOT traversed?

View solution

Q. If string s is accepted by this DFA, which of these strings cannot be suffix of s?

View solution