consider a demand-paging system with a paging disk that has an average access and transfer time of 20 milliseconds. addresses are translated through a page table in main memory, with an access time of 1 microsecond per memory access. thus, each memory reference through the page table takes two accesses. to improve this time, we have added an associative memory that reduces access time to one memory reference, if the page-table entry is in the associative memory. assume that 80 percent of the accesses are in the associative memory and that, of the remaining, 10 percent (or 2 percent of the total) cause page faults. what is the effective memory access time?

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Answer 1

With the above background given, note that the effective memory access time in milliseconds is: 0.4ms or 401.2μ sec.

What is memory access time?

Average Memory Access Time is a typical statistic used in computer science to assess the performance of computer memory systems.

Memory access time is the amount of time it takes to move a character from RAM to or from the CPU. Fast RAM chips have access times of less than 10 nanoseconds (ns). See also SDRAM.

The Effective Memory Access Time (EMAT) is computed as 80% of Reference from associative memory + 18% form page table + 2% from page fault

Thus,

EMAT = 0.8(1μs) + 0.18(2μs) + 0.02(20000μs + 2ns )

EMAT =  401.2 μ sec or 0.4ms

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Related Questions

Your aunt owns a store and hired you to analyze the customers. You recorded the estimated ages of customers who shopped in the store and whether they made a purchase. Some of your data values are followed. What types of analysis could you do with this data? Select 4 options.

Answers

Answer:

-percentage of customers who made a purchase

-minimum age

-average age

-maximum age

Percentage of customers who made a purchase, minimum age, average age and maximum age are the types of analysis could you do with this data. Hence, option A, B, C and E are correct.

What is data values?

A data value is the material that fills the space of a record. For instance, one of the database's numerous data fields might contain a number that indicates the weight of a certain integer.

Data, such as statistics, phone numbers, or inventory counts, are undoubtedly pieces of information that a person would understand as numbers.

Data provides useful information that enhances business decisions. This information is the result of an effective data analytics strategy. Businesses may create a data culture far more easily because of the monetary worth of data.

Thus, option A, B, C and E are correct.

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I GOT A 65% LAST TIME AND IM DOING RETAKE! PLEASE DONT FAIL ME THIS TIME

which information will help you figure out how often your website should be updated

a. cost of updates
b. time for updates
c. visitor frequency
d. resources to update it

Answers

Answer:

Explanation: c vecause am pro

I say I’m between B and D

What is strFirst? def username (strFirst, strLast): return strFirst + strLast[0] answer = username ('Joann', 'Doe') print (answer) strFirst is a A. Parameter B. Return value C. Function

Answers

The answer is B as in Boy

please help thank you !!!

Answers

hi idont see your question unfortunattely sorry

Answer:

The answer is C

Explanation:

The answer is C

Which range function creates the following list of numbers?
76 74 72 70 68 66 64 62

Answers

Answer:

they look like even number

Explanation:

2 4 6 8 10 12 -------seeeeee but not hundred percent sure but plz put me in brainlist

Physical Geography of the Middle East

Answers

Answer:

Explanation:

He’s wright SS7G5 The student will locate selected features in

Southwestern Asia (Middle East).

a. Locate on a world and regional political-physical map:

Euphrates River, Jordan River, Tigris River, Suez Canal,

Persian Gulf, Strait of Hormuz, Arabian Sea, Red Sea, and

Gaza Strip.

b. Locate on a world and regional political-physical map the

nations of Afghanistan, Iran, Iraq, Israel, Saudi Arabia, and

Turkey

Write a program whose input is two integers, and whose output is the first integer and subsequent increments of 5 as long as the value is less than or equal to the second integer C++

Answers

Answer:

#include <iostream>

using namespace std;

int main() {  

 int start, end;

 cout << "Enter start number: ";

 cin >> start;

 cout << "Enter end number: ";

 cin >> end;

 for(int n=start; n<=end; n+=5) {

   cout << n << " ";

 }

}

Explanation:

I output the numbers space separated.

Does anyone know this?

Answers

Answer:

DOCX merupakan file Microsoft Word Open XML Format Document. Ya, ini merupakan file yang tercipta dari pembuatan dokumen di Microsoft Word, aplikasi pembuatan teks bikinan Microsoft. File dengan ekstensi DOCX berbasiskan XML dan bisa saja mengandung teks, objek, style, formating, dan gambar.

GUYS!
YOU GOTTA HELP ME CAUSE IM FLIPPIN OUT

OK SO EARLIER TODAY MY LAPTOP WASNT WORKING SO MY DAD SAID I COULD USE HIS

I HAD TO LOG INTO MY WORD ACC TO DO WORK

AND IT WOULDNT LET ME IN HIS SO I USED MINE

MY MOM HAS SAFTEY SETTINGS ON MY OUTLOOK ACCS

BUT I DIDNT KNOW IT WOULD LOG INTO EVERYTHING I THOUGHT IT WOULD ONLY LOG INTO WORD

S O O IM TRYING TO LOG OUT OF MY ACC

BECAUSE MY DAD IS VV PARTICULAR ABOUT HIS COMPUTER

HES GONNA BE MAD

SO

MY QUESTION IS

DOES ANYONE KNOW HOW TO LOG OUT OF LIKE MICROSOFT ACCS

Answers

Attached is the answer, please look.

The company generates a lot of revenue and is rapidly growing. They're expecting to hire hundreds of new employees in the next year or so, and you may not be able to scale your operations at the pace you're working.

Answers

Answer:

The most appropriate way to deal with the situation presented above is to acquire more space at the current office site at additional rent beforehand.

Explanation:

The Scaling of a revenue-generating business is a crucial task in which a lot of pre-planning and thinking is required.

In order to scale the business in the next year, the planning of it is to be carried out at the moment and proper necessary arrangements are ensured. These steps could be one from:

Looking for bigger spaces for renting for a full shift of the operationsLooking for a site office for an additional officeAcquiring more space in the current office site.

This process would result in acquiring a bigger place beforehand but in order to mitigate the risk, try to keep the place in view by providing them a bare minimum advance for the additional units.

importance of animal husbandry for human society​

Answers

Answer:

Animal husbandry currently focuses on health, reproduction, and security. We have built efficient and hygienic systems, which have been optimized commercially for production.

Explanation:

Choose the correct term to complete the sentence.
AUPs are also known as ______.

email policies

electronic conduct

standard policies

company policies

Answers

I think standard policies

Answer:email policy

Explanation:

Write the purpose of using computer network

Answers

Answer:

sharing resources and data between computer systems. Those shared resources would include that of data storage, printers and other devices.

Explanation:

Answer:

Explanation:Computer networks help you to connect with multiple computers together to send and receive information. Switches work as a controller which connects computers, printers, and other hardware devices. Routers help you to connect with multiple networks. It enables you to share a single internet connection and saves money.

is someone using social media

Answers

Almost everyone uses social media

Write a informational paragraph that compares and contrast climate and weather include specific details for each

Answers

Answer:

The main difference between weather and climate refers to their temporal extension, that is, while weather refers to the climatic and meteorological conditions in the short term (rain forecasts, temperatures, atmospheric pressure, etc., which are going to happen in the next few days), the climate is a compilation of all these conditions and their averaging, to account for long-term weather conditions (thus, for example, if in December there is an average temperature of 0ºC, or the amount of snow that usually accumulates in that month, etc., that is, it is a much more macro look of what the climate is in a certain territory).

In this class, it is very common for your computer screen to look like this. What is this?​

Answers

theres no Picture???

Raster graphics allows which of the following?

(A) Limited color effects

(B) Color blending capabilities due to tiny pixels

(C) Scalable image without pixilation

(D) Layouts

Answers

Answer:

(C) Scalable image without pixilation

A company has a popular gaming platform running on AWS. The application is sensitive to latency because latency can impact the user experience and introduce unfair advantages to some players. The application is deployed in every AWS Region it runs on Amazon EC2 instances that are part of Auto Scaling groups configured behind Application Load Balancers (ALBs) A solutions architect needs to implement a mechanism to monitor the health of the application and redirect traffic to healthy endpoints.
Which solution meets these requirements?
A . Configure an accelerator in AWS Global Accelerator Add a listener for the port that the application listens on. and attach it to a Regional endpoint in each Region Add the ALB as the endpoint
B . Create an Amazon CloudFront distribution and specify the ALB as the origin server. Configure the cache behavior to use origin cache headers Use AWS Lambda functions to optimize the traffic
C . Create an Amazon CloudFront distribution and specify Amazon S3 as the origin server. Configure the cache behavior to use origin cache headers. Use AWS Lambda functions to optimize the traffic
D . Configure an Amazon DynamoDB database to serve as the data store for the application Create a DynamoDB Accelerator (DAX) cluster to act as the in-memory cache for DynamoDB hosting the application data.

Answers

Yetwywywywywywyyw would

Discuss the core technologies and provide examples of where they exist in society. Discuss how the core technologies are part of a larger system

Answers

Answer:

Part A

The core technologies are the technologies which make other technologies work or perform their desired tasks

Examples of core technologies and where they exist are;

Thermal technology, which is the technology involving the work production, storage, and transfer using heat energy, exists in our refrigerators, heat engine, and boilers

Electronic technology is the technology that involves the control of the flow of electrons in a circuit through rectification and amplification provided by active devices. Electronic technology can be located in a radio receiver, printed circuit boards (PCB), and mobile phone

Fluid technology is the use of fluid to transmit a force, provide mechanical advantage, and generate power. Fluid technologies can be found in brakes, automatic transmission systems, landing gears, servomechanisms, and pneumatic tools such as syringes

Part B

The core technologies are the subsystems within the larger systems that make the larger systems to work

The thermal technology in a refrigerator makes use of the transfer of heat from a cold region, inside the fridge, to region of higher temperature, by the  use of heat exchange and the properties of the coolant when subjected to different amount of compression and expansion

The electronic technologies make it possible to make portable electronic devises such as the mobile phones by the use miniaturized circuit boards that perform several functions and are integrated into a small piece of semiconductor material

Fluid technologies in landing gears provide reliable activation of the undercarriage at all times in almost all conditions such that the landing gears can be activated mechanically without the need for other source of energy

Explanation:

Core technologies includes biotechnology, electrical, electronics, fluid, material, mechanical, and others.

What are core technologies?

Core Technologies are known to be the framework of technology systems. The major Core Technologies includes:

Mechanical StructuralMaterials, etc.

They are also called "building blocks" of all technology system as without time, technology would not be existing today.

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Note that common skills are listed toward the top and less common skills are listed toward the bottom. According to O*NET, what are some common skills needed by Accountants? Select four options


mathematics

reading comprehension

equipment maintenance

quality control analysis

active listening

writing

Answers

Answer:

A, B, E and F Brainliest please

Explanation:

In your email software the address book allows you to​

Answers

To put it simple, an Address Book is basically where you can store peoples names, addresses and most importantly emails so you can easily contact them. Its pretty much like your contacts on your phone.

For what purpose is IT used in business?

Answers

Answer:

Technology is used in various ways; businesses can use technology in manufacturing, improving customer care, transportation, human resource management, business communication, use technology to improve their services or products as a way of gaining competitive advantage .

Answer:

Technology is used in various ways; businesses can use technology in manufacturing, improving customer care, transportation, human resource management, business communication, use technology to improve their services or products as a way of gaining competitive advantage .

Explanation:

BRAILIEST PLZ!

You are part of a development team that needs to adopt an integrated development environment tool to increase programmer productivity. The team narrowed the options down to two. One is open-source; the other will require an expensive site license. The tool you choose must be reliable, stable and well maintained. Which of the following could be a disadvantage for you to choose open-source, and thus a compelling enough reason to purchase the licensed software instead of using the open-source solution?
A. Your developers will have ready access to the source code.
B. The open-source solution is in the public domain.
C. The code for the open-source solution can be viewed by a community of open-source developers.
D. Maintenance of an open-source solution relies on developers who volunteer to work on the code.

Answers

Answer:

honestly I think the other one is correct

Explanation:

SOMEONE PLS HELP ME
Alright so in problem solving class which I think is basically compsci we are working with Karel and conditional loops. The world we are using rn is called cleanUp. I need someone who is good at this stuff to help me ASAP!!!!!!! It’s due at 8:30 am tomorrow!!

Answers

what i don’t get this i’m sorry what

what is presentation software in bussiness used for

Answers

Answer:

Presentation software is a category of application software that is specifically designed to allow users to create a presentation of ideas by stringing together text, images and audio/video.

Explanation:

Answer:

Presentation software is a category of application software that is specifically designed to allow users to create a presentation of ideas by stringing together text, images and audio/video.

Explanation:

HELPPPPPPPP


what helps users focus on the key messages that draw peoples attention to key areas of a site

a. site content
b. visual hierarchy
c. wireframe
d. group block

Answers

The answer is visual hierarchy :)
I believe the answer is B

Make the correct match.
1. Supports multiple coding of raw data
AVI
2. Standard audio format supported by Windows PCs
RA
3. Standard audio format used by Sun, Unix, and Java
WAV
4. Most popular format when downloading music
MP3
5. Real audio
AU
6. Standard audio file for Macs
AIFF

Answers

Answer:

1. AVI

2. WAV

3. AU

4. MP3

5. RA

6. AIFF

Explanation:

A file type can be defined as the standard used to store digital data such as pictures, texts, videos, and audios. They all have unique file extension which determines the type of software program (application) to be used for opening a particular file and accessing its data e.g pictures (jpeg, png), texts (txt, docx, rtf), videos (mp4, 3gp, avi), audios (mp3, acc).

Sometimes, computer users make the mistake of opening files with the wrong software application or program, this often leads to an error due to the incompatibility of the software application with the particular file.

For audio file types, these are some of the commonly used file extensions;

1. AVI: Supports multiple coding of raw data. AVI is an acronym for audio video interleave and it was developed by Microsoft Inc.

2. WAV: Standard audio format supported by Windows PCs. It is an acronym for Waveform Audio File Format developed by Microsoft inc. and IBM.

3. AU: Standard audio format used by Sun, Unix, and Java.

4. MP3: Most popular format when downloading music.

5. RA: Real audio.

6. AIFF: Standard audio file for Macs

Sistema binario, realizar el pasaje de binario a decimal; 00110011 11101100 11100001 11001100 10010101 11001111 10000001 10001100 11111111 01111110 11110101 00101000 11111100 00000011 00001111 11100000 11000011 10000000 11111000 00111100

Answers

Explanation:

MULTIPLY EACH OF THE NUMBER WITH 2 THEN RAISE TO THE POWER OF THE NUMBER'S POSITION

EXAMPLE: 1 X 2'5

im timed!!!!!!!!!!!!!!!!!!

I NEED HELP ASAP
THANK YOU SO MUCH

Answers

Answer:

C.

Explanation:

what does XML do with a data wrapped in the tags?

XML is a hardware- and software-independent tool used to carry information and developed to describe (BLANK)
______________
This isn't a multiple choice question, so I have no clue what the answer would even be. Please help if you can and if you don't know please don't give false information.​

Answers

XML is a hardware- and software-independent tool used to carry information and developed to describe how XML Simplifies Things.

What does XML Simplifies Things about?

XML  is known to be a thing that helps one to stores data in plain text format. This is said to give  a kind of software- and hardware-independent way of storing, transporting, and sharing data in a network.

XML is known to also makes it easy for a person to widen or upgrade to a kind of new operating systems, new applications, etc., without the person losing their data.

Learn more about XML  from

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Answer: data

Explanation:trust me, I do proper tutorials.

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