Question

What is the significance of the overflow flags in IA-32 arithmetic operations?

a.

They indicate when an overflow has occurred in a signed operand

b.

They indicate when an overflow has occurred in an unsigned operand

c.

They indicate the current state of the processor with respect to the result of the last arithmetic operation performed

d.

Both a and b

Posted under Reverse Engineering

Answer: (d).Both a and b Explanation:The overflow flags (OF and CF) indicate whether an overflow has occurred in a signed operand (OF) or an unsigned operand (CF) in IA-32 arithmetic operations.

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