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                                             SECTION-A

Introduction To Compilers: Compilers and translators need of translators, structure of compiler
:its different phases, Compiler construction
tools.
Lexical Analysis: Role of lexical analyzer, design of lexical analyzer, regular expressions ,
Specification and recognition of tokens, input buffering, A language specifying lexical analyzer.
Finite automata, conversion from regular expression to finite automata, and vice versa, minimizing number
of states of DFA, Implementation of lexical analyzer.