Regular expressions
Define the term Regular expressions ?
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R is a regular expression if R is– a, for some a ∈Σ– ε, the empty string– Ø, the empty set– (R1 ∪ R2), where R1 and R2 are reg. exprs.– (R1° R2), where R1 and R2 are reg. exprs.– (R1*), where R1 is a regular expression
Define the term computation in TOC ?
I have a problem in NFA-DFA. Can somone give the Proof of the theorem of NFA-DFA equivalence ?
Explain how light TP monitors allow distributed applications based on RPC to have transaction properties.
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.
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
Define various Terminologies used in TOC ?
Proof the theorem that the class of regular languages is closed under union; that is, if L1 is recognized by a NFA and L2 is recognized by a NFA, then L1 υ L2 is recognized by a NFA as well.
State the Formal desrciption of DFA operation ?
Explain briefly NFA operation with example.
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