Question Discussion & Solution

MCQ

If a state does not know whether it will make a shift operation or reduction for a terminal is called _________

Shift/reduce conflict

Reduce /shift conflict

Shift conflict

Reduce conflict

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MCQ

Match the following.

   List-I                  List-II
A. Lexical analysis       1. Graph coloring
B. Parsing                2. DFA minimization
C. Register allocation    3. Post-order traversal
D. Expression evaluation  4. Production tree

Discussion

MCQ

The optimization which avoids test at every iteration is?

Loop unrolling

Loop jamming

Constant folding

None of the mentioned

Discussion

MCQ

YACC builds up __________

SLR parsing table

Canonical LR parsing table

LALR parsing table

None of the mentioned

Discussion

MCQ

Which of the following is incorrect for the actions of A LR-Parser I) shift s ii) reduce A->

Only I)

I) and ii)

I), ii) and iii)

I), ii) , iii) and iv)

Discussion

MCQ

Which of the following statements is false?

Left as well as right most derivations can be in Unambiguous grammar

An LL (1) parser is a top-down parser

LALR is more powerful than SLR

Ambiguous grammar can

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category More Compiler Design Topics

Compiler Design Basics

Non Deterministic Finite Automata

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Regular Expressions

Finite Automata

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Semantic Analyser

Run Time Environment

Code Generation

Code Optimization

Parsing

Transformation from NFA to DFA

Cross Compiler

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