Assuming LSB at 0 position and MSB at position 7, which bit positions are not used (undefined) in flag register of an 8085 microprocessor?

Assuming LSB at 0 position and MSB at position 7, which bit positions

1.	Assuming LSB at 0 position and MSB at position 7, which bit positions are not used (undefined) in flag register of an 8085 microprocessor?
A.	1, 3, 5
B.	2, 3, 5
C.	1, 2, 5
D.	1, 3, 4
Answer» B. 2, 3, 5

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Assuming LSB at 0 position and MSB at position 7, which bit positions are not used (undefined) in flag register of an 8085 microprocessor?

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