DFA diagrams and DFA operation
Explain DFA diagrams and DFA operation in brief ?
Expert
DFA diagrams read input one symbol at a time, beginning from start state; follow arrows; accept if end in accept state.
DFA Operation:
Illustration of DFA operation:
input: 0 1 0 1not accepted
input: 1 0 1accepted
What language does this DFA recognize?
L={x:x ≡ {0, 1}*, x1 = 1}
Give an algorithm that, given a grammar G = (V, Σ, R, S), decides whether the grammar G can derive the empty string.
explain to me the Classifications of parallel structures
Describe the theorem that a language L is recognized by a DFA if and only if L is illustrated by a regular expression.
Let α be a regular expression of length n. (a) Using procedures shown in class, if we convert α into a regular expression β such that L(β) = L(α). How long β might be? Give a reasonably tight upper bound.
How can we characterize DFA languages ?
Explain briefly NFA operation with example.
Let s1 and s2 be two strings of lengths m and n respectively. By definition, a superstring of s1 and s2 is one which contains s1 and s2 as substrings. Give a dynamic programming algorithm to compute a shortest superstring of t
State the Formal desrciption of DFA operation ?
What do you mean by Formal description of NFA operation ?
Define the term computation in TOC ?
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