Question

The replacement policy that can be implemented in practice and performs the best among the replacement policies that can be actually coded is:

Answer 1

Answer:

The answer is "Least recently used policy".

Explanation:

It is the page replacement policy, which uses a less frequent substitute.  It adds a registry from each frame that includes the last time the program, that views within the frame, and use a "logical clock" for each of the data references, that made to change by a tick.

This replacement strategy is often used to substitute its least currently utilized cache line or page, and it is realistic and best implemented among the substitution policies.