Question

What is buffering?

(a) The blocks read from disk are directly accessed

(b) The blocks read from disk are temporarily stored in a memory

(c) The blocks read from disk are organized in a particular fashion to cater requests.

(d) None of the mentioned

This question was addressed to me at a job interview.

My question is based upon Magnetic Disk and Flash Storage topic in division Storage and File Structure of RDBMS

Answer 1

Right choice is (b) The blocks read from disk are temporarily stored in a memory

The explanation: Buffering involves reading the data and storing it in a temporary memory location called as the data buffer for future requests. The data in the buffer is temporary and is deleted after usage.