1. Disk caching, redundant arrays of inexpensive disks (RAID), and file compression/decompression are three ways to improve the performance of hard disks in either capacity or access speed or both. This means there should be a 'yes' or 'no' in the six blanks of the table below. Write your answer like (1) yes (or no), (2) yes (or no), ....., (6) yes (or no) to complete this question.

Can it improve capacity? Can it improve access speed? Disk caching RAID File compression