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MCQ

Which tool/computer program for generating lexical analyzers (scanners or lexers) written by Vern Paxson in C around 1987?

FLEX

GLEX

CLEX

SLEX

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A simple two-pass assembler does which of the following in the first pass?

it compute the total length of the program

it builds the symbol table for the symbols and their values.

it allocates space for the literals

All of these

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Which grammar defines Lexical Syntax?

Regular Grammar

Syntactic Grammar

Context free Grammar

Lexical Grammar

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A programmer, by mistake, writes an instruction to divide, instead of a multiply, such error can be detected by a/an

compiler

Interpreter

compiler or Interpreter test

None of these

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Which of the following system program forgoes the production of object code to generate absolute machine code and load it into physical main storage location from which it will be executed immediately upon completion of assembly ?

Two pass assembler

Load-and-go-assembler

Macroprocessor

Linker

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Compiler Design Basics

Non Deterministic Finite Automata

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Regular Expressions

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Run Time Environment

Code Generation

Code Optimization

Parsing

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