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 mentionedThis 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

What is a circular buffer?(a) writes to the end of its space and then

1.	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 mentionedThis 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» Correct answer is (a) WRITES to the END of its space and then continues at the beginning The BEST I can EXPLAIN: None.

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