Question 5191 – UGC NET CS 2012 Dec-Paper-2
November 5, 2023UGC NET CS 2012 Dec-Paper-2
November 5, 2023UGC NET CS 2012 Dec-Paper-2
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Question 11
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In compiler design ‘reducing the strength’ refers to
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reducing the range of values of input variables.
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code optimization using cheaper machine instructions.
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reducing efficiency of program.
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None of the above
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Question 11 Explanation:
In compiler design ‘reducing the strength’ refers to code optimization using cheaper machine instructions.
Example:
Dividing by 2→ Use right shift by 2.
Multiplication by 2→ Use left shift by 2.
Example:
Dividing by 2→ Use right shift by 2.
Multiplication by 2→ Use left shift by 2.
Correct Answer: B
Question 11 Explanation:
In compiler design ‘reducing the strength’ refers to code optimization using cheaper machine instructions.
Example:
Dividing by 2→ Use right shift by 2.
Multiplication by 2→ Use left shift by 2.
Example:
Dividing by 2→ Use right shift by 2.
Multiplication by 2→ Use left shift by 2.