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OpenStudy (anonymous):
how is 8765h INC 1 negative? I know its negative because the answer says sign flag=1 but how?
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OpenStudy (walters):
You can tell whether a hexadecimal integer is positive or negative by inspecting its most significant (highest) digit. If the digit is ≥ 8, the number is negative; if the digit is ≤ 7, the number is positive. For example, hexadecimal 8A20 is negative and 7FD9 is positive
OpenStudy (rsmith6559):
Wouldn't that only be true on 16 bit systems?
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