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Question

What is the equivalent of multiplying by powers of 2 in computers?

a.

Binary shifts using SHL and SHR instructions

b.

LEA instructions

c.

MUL/IMUL instructions

d.

ADD and SUB instructions

Posted under Reverse Engineering

Answer: (a).Binary shifts using SHL and SHR instructions Explanation:The equivalent of multiplying by powers of 2 in computers is performing binary shifts using the SHL and SHR instructions.

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