Which is true about isupper(ch), where ch is an int that can be repres – McqOptions

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1.	Which is true about isupper(ch), where ch is an int that can be represented as an unsigned?
A.	0 if ch is not upper case
B.	Non-zero if ch is upper case
C.	Both 0 if ch is not upper case & Non-zero if ch is upper case
D.	Nothing
E.	None of these
Answer» D. Nothing

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