Question

What is the Parity Flag?

a.

A flag used for comparing two operands and testing whether they are equal.

b.

A flag that reports the binary parity of the lower 8 bits of certain arithmetic results.

c.

A flag that denotes whether an overflow has occurred in signed operands.

d.

None of the above.

Posted under Reverse Engineering

Answer: (b).A flag that reports the binary parity of the lower 8 bits of certain arithmetic results. Explanation:The Parity Flag is a (rarely used) flag that reports the binary parity of the lower 8 bits of certain arithmetic results. Binary parity means that the flag reports the parity of the number of bits set, as opposed to the actual numeric parity of the result. A value of 1 denotes an even number of set bits in the lower 8 bits of the result, while a value of 0 denotes an odd number of set bits.

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