Q.

What is the difference between r+ and w+ modes?

A. no difference
B. in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+
C. in w+ the pointer is initially placed at the beginning of the file and the pointer is at the end for r+
D. depends on the operating system
Answer» B. in r+ the pointer is initially placed at the beginning of the file and the pointer is at the end for w+
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