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a) Explain in detail the process of compilation. Explain the output of each phase for the following progam fragment. x:=pq+46.5 b) Writea a scanner(LEX) program

a) Explain in detail the process of compilation. Explain the output of each phase for the following progam fragment. x:=pq+46.5 b) Writea a scanner(LEX) program to count the number of vowels and consonants in the give string

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