Answer:
it is not seeing full. please give full
I belive Nexus is not a Operating system, I am not a pro at knowing all of the operating system.
Answer:

Explanation:
Given Information:







There are 3 possible cases
1. Location of reference word is in cache

2. Location of reference word is not in cache but in main memory

3. Location of reference word is neither in cache nor in main memory


The average time required to access a referenced word on this system is simply the sum of above 3 cases
