Question

What is a circular buffer?

(a) writes to the end of its space and then continues at the beginning

(b) overwrites older values as it goes

(c) all of the mentioned

(d) none of the mentioned

This question was posed to me by my school principal while I was bunking the class.

I need to ask this question from File System Implementation topic in section File Systems and their Implementation of Operating System

Answer 1

Correct answer is (a) writes to the end of its space and then continues at the beginning

The best I can explain: None.