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MCQ

Q.

Dead-code elimination in machine code optimization refersto -----------

A

Removal of all labels.

B

Removal of values that never get used.

C

Removal of function which are not involved.

D

Removal of a module after its use.

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MCQ

1.

Peephole optimization is form of------

A

Loop optimization

B

Local optimization

C

Constant folding

D

Data flow analysis

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2.

Code optimization is responsibility of--------

A

Application programmer

B

System programmer

C

Operating system

D

All of the above.

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3.

The compiler can make use of memory hierarchy and CPU registers.

A

TRUE

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FALSE

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Can be true or false

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Can not say

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4.

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

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Declaration

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Assignment statements

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Input and output statements

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Structural statements

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5.

A variable is called an _________ variable if its value is altered within the loop by a loop-invariant value.

A

Invariant

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induction

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strength

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loop

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