Q. Substitution of values for names whose values are constant, is done in

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Q. Reduction in strength means

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Q. To recover from an error, the operator precedence parser may

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Q. The best way to compare the different implementations of symbol table is to compare the time required to

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Q. An intermediate code form is

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Q. The identification of common sub-expression and replacement of run-time computations by compile-time computations is

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Q. Let ( Z,* ) be an algebraic structure, where Z is set of integers and the operation * is defined by n * m =maximum ( n , m ) Which of the following statements is true for ( Z, * ) ?

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Q. The most powerful parser is

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Q. LR parsers are attractive because

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Q. In operator precedence parsing, precedence relations are defined

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Q. Uniform symbol table

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Q. Which of the following is a phase of a compilation process ?

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Q. Terminal table -

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Q. Forward reference table(FRT) is arranged like -

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Q. Pass 2

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Q. pass 1

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Q. A Language L is defined by L={xn yn |n>1} . Which of the following definitions generates the same
language as L

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Q. which of the following cannot be used an an intermediate code form ?

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Q. A shift reduce parser carries out the actions specified within braces immediately after reducing,with
the corresponding rule of the grammar

s->xxW{print “1”}
s->y{print “2”}
w->sz{print “3”}

what is the translation of “xxxxyzz” ?

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Q. Access time of the symbol table will be logarithmic,if it is implemented by

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