Descibe how implementation of a Raid level 2 system would be beneficial to a unibersity payroll system. in your own words, descibe the disadvantages of such a system

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Exercises 10. Minimizing the variance of system response time is an important goal, but it does not always prevent an occasional user from suffering indefinite ment. If you were the system designer, what mechanism would you recommend postpone- for a disk scheduling policy to counteract this problem and still provide reason- able response time to the user population as a whole? What argument would you use with the system management to allow your changes? 11. Describe how implementation of a RAID Level 2 system would be beneficial to a university payroll system. In your own words, describe the disadvantages of such a system, if any, in that environment, and if appropriate, suggest an alter- native RAID system and explain your reasoning. 12. Describe how secondary storage differs from primary storage, and give an example of each. Advanced Exercises 13. Explain in your own words the relationship between buffering and spooling. Suggest reasons why some people confuse the two. 14. Given the following characteristics for a magnetic tape using linear recording (as described in this chapter)