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MCQ

Which of the following statement is false?

Flow graph is used to represent DAG.

Three address code is the input to the code generator.

The first statement of three address code is always leader of the first basic block.

Transformation of block is needed for code optimization.

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A compiler for a high-level language that runs on one machine and produces code for a different machine is called

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Which of the following class of statement usually produces no executable code when compiled?

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Peephole optimization is form of------

Loop optimization

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Dead code plays no role in any program operation and therefore it can simply be eliminated.

TRUE

FALSE

Can be true or false

Can not say

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Which of the following comment about peep-hole optimization is true?

It is applied to small part of the code and applied repeatedly

It can be used to optimize intermediate code

It can be applied to a portion of the code that is not contiguous

It is applied in symbol table to optimize the memory requirements

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