Given that it takes 1.75 ms to travel from one track to the next of a hard drive; that the arm is originally positioned at Track 15 moving toward the low- numbered tracks; and that you are using the LOOK scheduling policy: Compute the total seek time to satisfy the following requests—4, 40, 35, 11, 14, and 7. Assume all requests are initially present in the wait queue. (Ignore rotational time and transfer time; just consider seek time.) 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 alternative RAID system and explain your reasoning. Imagine one real-life example of each: a multi-file volume and a multi- volume file. Include a description of the media used for storage and a general description of the data in the file. The following is an access verification technique, listing several files and the access allowed for a single user. Identify the control technique used here, and for each, explain the type of access allowed. a. File_1 R-E- b. File_12 RWE- c. File_13 RW– d. File_14 –E- Devise a way to compress the following list of last names using a lossless technique similar to that shown in Table 8.6 for repeated terms. Describe your method and show the compressed list. Explain the characteristics that make your technique lossless (and not lossy). McConnor, Nelson McDavid, Nelson McDavid, Patricia McDonald, Mary McDonald, Marie McDonnell, Mike

Looking for solution of this Assignment?

WHY CHOOSE US?

We deliver quality original papers

Our experts write quality original papers using academic databases.  

Free revisions

We offer our clients multiple free revisions just to ensure you get what you want.

Discounted prices

All our prices are discounted which makes it affordable to you. Use code FIRST15 to get your discount

100% originality

We deliver papers that are written from scratch to deliver 100% originality. Our papers are free from plagiarism and NO similarity

On-time delivery

We will deliver your paper on time even on short notice or  short deadline, overnight essay or even an urgent essay