There are situations in which it is necessary to write back the block to disk, even though the buffer space that it occupies is not needed. This write is called the
A. Pinned block strategy
B. Forced output block
C. Buffer replacement strategy
D. All of the mentioned
Answer:A
There are situations in which it is necessary to write back the block to disk, even though the buffer space that it occupies is not needed. This write is called the
A. Pinned block strategy B. Forced output block C. Buffer replacement strategy D. All of the mentioned
Explanation:The main-memory contents and thus buffer contents are lost in a crash, whereas data on disk usually survive a crash.