Null pointer is: (a) A pointer which does not point anywhere (b) Pointer defined with name null (c) A pointer c sample questions that returns 0 value (d) None of the above 3. The following program fragment if (a=7) printf ("a is seven"); else printf (“a is not seven"); results in the printing of (a) a is seven (b) a is not seven (c) nothing (d) garbage 4. The following program fragment int k = -7; printf(“%d”, 0
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