1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dusya [7]
2 years ago
14

A page-replacement algorithm should minimize the number of page faults. We can achieve this minimization by distributing heavily

used pages evenly over all of memory, rather than having them compete for a small number of page frames. We can associate with each page frame a counter of the number of pages associated with that frame. Then, to replace a page, we can search for the page frame with the smallest counter.
a. Define a page-replacement algorithm using this basic idea. Specifically address these problems:

i. What is the initial value of the counters?
ii. When are counters increased?
iii. When are counters decreased?
iv. How is the page to be replaced selected?

b. How many page faults occur for your algorithm for the following reference string with four page frames? 1, 2,3, 4, 5, 3, 4, 1, 6, 7, 8, 7, 8, 9, 7, 8, 9, 5, 4, 5, 4, 2.

c. What is the minimum number of page faults for an optimal page replacement strategy for the reference string in part b with four page frames?
Computers and Technology
1 answer:
tekilochka [14]2 years ago
4 0

Answer:If you think that a blank sheet of paper or a blinking cursor on the computer screen is a scary sight, you are not alone. Many writers, students, and employees find that beginning to write can be intimidating. When faced with a blank page, however, experienced writers remind themselves that writing, like other everyday activities, is a process. Every process, from writing to cooking to bike riding to learning to use a new cell phone will get significantly easier with practice.

Just as you need a recipe, ingredients, and proper tools to cook a delicious meal, you also need a plan, resources, and adequate time to create a good written composition. In other words, writing is a process that requires steps and strategies to accomplish your goals.

These are the five steps in the writing process:

Prewriting

Outlining the structure of ideas

Writing a rough draft

Revising

Editing

Effective writing can be simply described as good ideas that are expressed well and arranged in the proper order. This chapter will give you the chance to work on all these important aspects of writing. Although many more prewriting strategies exist, this chapter covers six: using experience and observations, freewriting, asking questions, brainstorming, mapping, and searching the Internet. Using the strategies in this chapter can help you overcome the fear of the blank page and confidently begin the writing process

Explanation:

You might be interested in
Pleases Help ME An example of a _________________ impact is when a product is back ordered and the business contacts the custome
igomit [66]

Answer:

positive

Explanation:

it shows good customer service

8 0
3 years ago
Object Linking and Embedding (OLE) data integration allows you to
worty [1.4K]
Hey mate thanks for letting me help you

l just look into this and l got this A set of APIs to create and display a (compound) document, but that is not a choice. so <span>D. edit data in a plain text editor
</span><span>
hope l helped   
</span>
4 0
3 years ago
The History feature of a browser enables you to retrace your browsing history over a short period of time. (1 point) True False
Elena-2011 [213]

The statement that the History feature of a browser helps in retracing browsing history over a short period of time is True.

<h3>What is a browser?</h3>

A browser can be regarded as an computer application that is used in surfing the internet.

One of the features of a browser is the history tab which helps to retrace your browsing history over a short period of time.

Learn more about browsers at;

brainly.com/question/24858866

6 0
2 years ago
All the data points lie within UCL &amp; LCL and all of the data points are randomly distributed about the mean value central li
nata0808 [166]

Answer: Common causes

Explanation:

Variation comes from two sources, common and special causes. Lets you at this scenario, how long it takes you to get to school in the morning. Maybe it takes you 40 minutes on average. Some days it may take a little longer, some days a little shorter. But as long as you are within a certain range, you are not concerned. The range may be from 35 to 45 minutes. This variation represents common cause variation --- it is the variation that is always present in the process. And this type of variation is consistent, random and predictable. You don't know how long it will take to get to schooltomorrow, but you know that it will be between 35and 45 minutes as long as the process remains the same.

Now, in thecase of special cause variation suppose there was an accident on the road and there was heavy non moving traffic . How long will it take you to get to work? Definitely longer than the 35 to 45 minutes in your "normal" variation. Maybe it takes you an hour longer. This is a special cause of variation. Something is different. Something happened that was not supposed to happen. It is not part of the normal process. Special causes are not predictable, non random and are sporadic in nature.

6 0
3 years ago
Contast between backups controlled within the SAN and backups controlled from the application server.
luda_lava [24]

Answer and Explanation:

Backup control within the SAN is one which confines the backup to the SAN and does not pass it via corporate network.

Backup traffic within the SAN are  easier to maintain and easily handled in contrast to the application server.

Backup in SAN is governed by  such applications and mechanism which allows the easy handling of the backup traffic which is not provided by the application servers.

In case of occurrence of any failure,  unlike application server, SAN provides smooth and fast migration

SAN holds data in cluster  by the use of backup techniques not used in application server.

6 0
2 years ago
Other questions:
  • Ten 9600-bps lines are to be multiplexed using TDM. a. Ignoring overhead bits in the TDM frame, what is the total capacity requi
    6·1 answer
  • For which task is the WordArt gallery most useful?
    15·2 answers
  • 1 Explain the difference between using a computer program and programming a computer.
    12·1 answer
  • I need to know thr full number of pie
    8·1 answer
  • What term is used to refer to the merging of government services with information technology?
    11·1 answer
  • A group of users is unable to connect to the network. When testing several of the PCs and issuing the command ipconfig, the tech
    10·1 answer
  • Classify the functions of dhcp and dns protocols​
    14·1 answer
  • which of the following peripheral does not belong to a group: A) Monitor B) Printer C) Hardware D) Keyboard​
    8·1 answer
  • Write a function called prod_all that takes any number of arguments and returns their sum. Test the function by using these two
    10·1 answer
  • Photo editing software, desktop publishing, email and word processing software is most likely to be used by:
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!