INTERVIEW QUESTIONS C C BASICS DETAILS

Question: What is :- Asembler , compiler , Preprocessor , laxical analysis , parsing ?

Answer: Assembler:It converts the assembly language into machine level.
Compiler:It converts the high level program into machine level.
Preprocessor: Already defined using #define and used later in the program.
Lexical analysis:It analyze the expression from left to right and separate into tokens.
Parsing:It groups the token collected from the lexical analyser and constructs parse tree.

Assembler:It converts the assembly language into machine level.
Compiler:It converts the high level program into machine level.
Preprocessor: Already defined using #define and used later in the program.
Lexical analysis:It analyze the expression from left to right and separate into tokens.
Parsing:It groups the token collected from the lexical analyser and constructs parse tree. Source: CoolInterview.com

ASSEMBLER is a computer program which converts the assembly language program into machine level language.
COMPILER is a progam or set of programs which converts the high level language into machine level language.
PREPROCESSOR is a computer program that processes input to produce an output which again serves as a input to another program.
LEXICAL ANALYSIS is the process of converting a sequence of characters into a sequence of tokens.

PARSING is the process of analyzing a sequence of tokens to determine their grammatical structure.it is also called as syntactic analysis.
Source: CoolInterview.com

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