Question Details

Answered: - This problem studies the effect of changing page sizes in a


This problem studies the effect of changing page sizes in a demand paging system.The following sequence of requests for program words is taken from a 460-word program: 10, 11, 104, 170, 73, 309, 185, 245, 246, 434, 458, 364.Main memory can hold a total of 200 words for this program and the page frame size will match the size of the pages into which the program has been divided.Calculate the page numbers according to the page size, divide by the page size,and the quotient gives the page number. The number of page frames in memory is the total number, 200, divided by the page size. For example, in problem (a)the page size is 100, which means that requests 10 and 11 are on Page 0, and requests 104 and 170 are on Page 1. The number of page frames is two.a. Find the success frequency for the request list using a FIFO replacement algorithm and a page size of 100 words (there are two page frames).b. Find the success frequency for the request list using a FIFO replacement algorithm and a page size of 20 words (10 pages, 0 through 9).Find the success frequency for the request list using a FIFO replacementalgorithm and a page size of 200 words.d. What do your results indicate? Can you make any general statements aboutwhat happens when page sizes are halved or doubled?e. Are there any overriding advantages in using smaller pages? What are theoffsetting factors? Remember that transferring 200 words of informationtakes less than twice as long as transferring 100 words because of the waysecondary storage devices operate (the transfer rate is higher than the access[search/find] rate).f. Repeat (a) through (c) above, using a main memory of 400 words. The sizeof each page frame will again correspond to the size of the page.g. What happened when more memory was given to the program? Can youmake some general statements about this occurrence? What changes mightyou expect to see if the request list was much longer, as it would be in reallife?h. Could this request list happen during the execution of a real program?Explain.i. Would you expect the success rate of an actual program under similarconditions to be higher or lower than the one in this problem?

 


Solution details:

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .
SiteLock

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Oct 07, 2020

EXPERT

Tutor

ANSWER RATING

GET INSTANT HELP/h4>

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

NEW ASSIGNMENT HELP?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN A DEADLINE.

Order Now