Dma access to main memory is given higher priority than processor access to main memory. why?

Answers

Answer 1

DMA (Direct Memory Access) access to main memory is given higher priority than processor access to main memory because DMA transfers are typically used for large data transfers between devices and main memory without involving the processor.

Efficiency: DMA transfers offload data movement tasks from the processor, allowing it to focus on executing other instructions and computations. By giving DMA higher priority, the processor can continue its operations while data is efficiently transferred in the background.

Bandwidth utilization: DMA transfers can make use of the full bandwidth of the memory bus or system bus since they can bypass the processor. Prioritizing DMA access ensures that data-intensive operations, such as disk I/O or network transfers, are performed without creating significant bottlenecks.

Real-time requirements: Some devices or applications have real-time constraints and need to transfer data to or from main memory within specific time frames. Giving DMA higher priority ensures that time-critical data transfers can be completed promptly, without waiting for the processor to handle each individual transfer.

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Related Questions

What was the issue that the supreme court examined in the edmonson v. leesville concrete company, inc. case?

Answers

In the case of Edmonson v. Leesville Concrete Company, Inc., the Supreme Court examined the issue of peremptory challenges during jury selection in a civil trial.

The case focused on the question of whether the Equal Protection Clause of the Fourteenth Amendment prohibits the use of peremptory challenges by parties in a civil trial to exclude potential jurors based solely on their race.

The specific facts of the case involved a civil lawsuit brought by an African American man, James Edmonson, against Leesville Concrete Company, Inc. Edmonson alleged that he was assaulted by Leesville Concrete employees because of his race.

The Supreme Court, in a 5-4 decision, ruled that the Equal Protection Clause does prohibit the use of peremptory challenges to exclude potential jurors solely based on race in civil trials.

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Andie recently failed a math test. Instead of deciding that she's just not good in math, she makes an effort to work hard in the class to get better grades. This decision will ultimately make Andie happier because she is adopting a strategy based on (a)n _______________ control.

Answers

Answer

strategic control

Explanation:

In simple words, Strategic planning is the mechanism that organisations use to guide the creation and implementation of strategic plans; it is a specific type of management planning which differs from many other types of management guide in terms of their ability to deal with confusion which complexity at different points throughout the management system.

When at the price of Rs 5 per unit of a commodity, A's demand is for 11 units, B's demand is for 14 units and C's demand is for 8 units, then market demand will be

Answers

Answer:

33 units

Explanation:

As mention in the given question

A's demand  =11 units

B's demand   =14 units

C's  demand  = 8 units

\(The\ market\ demand\ is\ determined\ by\ the\ =\ A's\ demand\ + \ B's\ demand + \ C's\ demand\)

\(The\ market\ demand\ is\ determined\ by\ the\ =11 units\ + 14 units\ +\ 8 units\\=\ 33\ units\)

Therefore 33 units is the market demand

4 types of lung cancer

Answers

The most common types of lung cancer include lung nodules, non-small cell lung cancer, small cell lung cancer and mesothelioma.

what is mandatory federal standard developed by NIST in response to FISMA?

Answers

The mandatory federal standard developed by NIST (National Institute of Standards and Technology) in response to FISMA (the Federal Information Security Management Act) is known as NIST SP 800-53. This standard provides a comprehensive set of security controls for federal information systems, which include both national security systems and non-national security systems.

It is designed to assist federal agencies in implementing and managing effective security programs that protect the confidentiality, integrity, and availability of information systems and data. NIST SP 800-53 is organized into 18 families of controls that cover various aspects of information security, including access control, risk management, incident response, and system and communication protection.

Each control family includes a set of baseline controls that agencies must implement, along with additional controls that may be selected based on risk assessments and other factors. Overall, NIST SP 800-53 is a critical component of the federal government's overall cybersecurity strategy, and it helps to ensure that federal agencies are able to protect their information systems and data from a wide range of cyber threats.

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What were the Rebels' chances of victory at Lexington & Concord?

Answers

Answer:

Low

Explanation: They didn't have a big amount of people, almost no training and not very many weapons

What did the freed slaves do after the Civil War?

Answers

Following the conclusion of the Civil War, there was a lot of uncertainty regarding the status of freed slaves. Many previously enslaved individuals had no place to go or resources, and it took a while for legal and economic structures to change and recognize their freedom.

Freed slaves faced numerous challenges after the Civil War, some of which included: Access to Resources - Many freed slaves had nothing but the clothes on their back and nowhere to go. Many of them chose to stay on the plantations and work for wages.

Education - The vast majority of freed slaves were illiterate. As a result, many of them lacked the necessary abilities to compete in a labor market that was rapidly changing. The Black Codes - Legal restrictions on freed slaves that existed in the South. They were deprived of some fundamental rights such as the right to vote, to serve in the military and to own firearms.

During the years following the end of the Civil War, freed slaves worked together and relied on each other. They formed communities, established schools, and developed businesses. They went to church together and supported each other emotionally and financially. These groups provided a sense of security and enabled many individuals to succeed in an environment that was frequently hostile. Some freed slaves went on to become skilled craftsmen or artisans, while others began to farm their land. This was the beginning of a period of progress for African Americans that lasted until the turn of the twentieth century.

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What type of region is the state of Kentucky?

A.
nodal

B.
homogeneous

C.
formal

D.
perceptional

Answers

Nodal I had this question before on my test

state reasons for saving money​

Answers

Answer:

Save money so you can always have it for later like treating yourself to some restaurants or ice cream shops with a friend, buy some snacks for the movies, go to six flags, go on a cruise, go to a game of your choosing because you saved your money.

Answer:

State reasons for saving money:

Emergency funds: States save money to create a financial cushion for unexpected events such as natural disasters, economic downturns, or pandemics.

Infrastructure development: States also save money to fund large-scale infrastructure projects such as roads, bridges, and public transportation systems.

Pension funds: Many states have pension plans for their employees and save money to ensure that they can meet their future obligations.

Debt reduction: States may save money to pay off existing debts or to maintain their credit rating.

Education and healthcare: States may save money to invest in education and healthcare programs that benefit their citizens.

Explanation:

Brainliest Plssssss

Describe one way the bill-to-law process creates opportunities to prevent a bad bill from becoming a law.

helppp i need this for a testtt

Answers

Answer:

It goes through many rounds of judgement

Explanation: watch the school house rock bill song video

Which of these were successes of Reconstruction? List all that apply.
The system of segregation was brought to an end.
African Americans gained equal rights in society.
The practice of slavery was abolished across the country.
New schools were built for young African American children.
The Freedmen’s Bureau helped workers with wages and contracts.

Answers

Answer:

cdef

Explanation:

Answer:

C D E

Explanation:

Because it is

The new colony of Georgia was named after

James Oglethorpe’s daughter.
King George II.
the colony’s first settler.
King George I.

Answers

Answer: King George II

In 1733 he was king of Britain when Europeans first settled there.

Hope this helps ʕ•ᴥ•ʔ

Answer:

King George II

Explanation:

e.c. is a 24-year-old professional firefighter in a western region that has had severe forest fires because of hot, dry, windy, weather. he has worked overtime for several weeks and is experiencing continual shortness of breath, fatigue, and exercise intolerance, which are unusual for him. e.c complies with health and safety requirements, including wearing appropriate protective equipment. community support agencies are onsite to provide water, food, and support as needed.

Answers

Factors in EC's work environment that increase the risk of a health problem extreme heat, a lack of energy from working in difficult terrain, and exposure to toxins exposure to insecticides and pesticides carbon monoxide (CO).

What is toxin?Toxic substances that can harm you include radon in basements, lead in drinking water, car exhaust, and chemicals released from landfills. You can reduce your exposure to chemicals and your risk of adverse health effects by understanding how.Poisons are substances that harm organisms when enough of them are absorbed, inhaled, or ingested. Toxins are poisonous substances that are produced by living cells or organisms.Toxins can be waste products that our bodies produce naturally, such as carbon dioxide. Toxins are commonly thought of as chemicals that are harmful to humans and the environment.Antidotes are substances that either prevent or reverse the effects of the poison.

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A cross-country coach is analyzing 45 athletes’ data. She compares each athlete’s mile time at the start of the season to his mile time at the end of the season. Which of the following best describes the first step needed to simulate this data?
A. Randomly assign each athlete a number between 1 and 45, and then select numbers from a random digit table.
B. Determine the mean mile time for the 45 athletes as a group at the beginning of the season and at the end of the season.
C. Randomly assign each mile time a number between 0 and 44, and then select numbers from a random digit table.
D. Determine the proportion of athletes whose mile times decreased, increased, and remained the same from the beginning of the season to the end of the season.

Answers

The best answer for the first step needed to simulate the data for the cross-country coach's analysis is A. Randomly assign each athlete a number between 1 and 45, and then select numbers from a random digit table.

This step involves randomly assigning each athlete a unique number between 1 and 45, which can be done using a random number generator or a random digit table. This ensures that each athlete has an equal chance of being included in the simulated data, without any bias or preconceived pattern.

Once the athletes are assigned numbers, the coach can then use a random digit table to select numbers corresponding to the assigned athlete numbers, which will determine the order in which the athletes' mile times are compared (e.g., athlete 1, athlete 2, athlete 3, and so on). This random selection process helps to ensure that the simulated data is representative and unbiased, allowing for a valid analysis of the athletes' mile time changes from the start to the end of the season.

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PLEASE HELP QUICK I WILL GIVE U 30 POINTS IF CORRECT!!!!!!!!!!!!!
The Fifth Amendment to the United States Constitution states:

No person shall . . . be deprived of life, liberty, or property, without due process of law; nor shall private property be taken for public use, without just compensation.

How does this section of the constitution help develop the rule of law? (4 points)

Select one:
a. It allows homeowners to be paid by the government.
b. It allows the government to take what it needs to serve the greater good.
c. It prevents citizens from buying up too much land.
d. It prevents government from abusing the rights of property owners.

Answers

Answer: D

Explanation:

which of the following are true statements? i. the p-value of a test is the probability of obtaining a result as extreme (or more extreme) as the one obtained assuming the null hypothesis is true. ii. if the p-value for a test is .015, the probability that the null hypothesis is true is .015. iii. when the null hypothesis is rejected, it is because it is not true. group of answer choices i only ii only iii only i and iii

Answers

The first statement, "The p-value of a test is the probability of obtaining a result as extreme (or more extreme) as the one obtained assuming the null hypothesis' is true, while the other two statements are false. This is because the p-value of a test measures the strength of evidence against the null hypothesis, with a lower p-value indicating stronger evidence.

i. This statement is true because the p-value is indeed the probability of obtaining a result as extreme (or more extreme) as the one obtained, assuming the null hypothesis is true.

ii. This statement is false because the p-value is not the probability that the null hypothesis is true. Instead, it represents the probability of observing the data (or more extreme data) under the assumption that the null hypothesis is true.

iii. This statement is false because rejecting the null hypothesis does not necessarily mean it is not true. There is always a possibility of making a type I error (rejecting a true null hypothesis), which is why we have a significance level to control the probability of making this error.

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1. A political-economic system that generally includes an authoritarian government:______.2. An economy that depends on strong entrepreneurship and capital investment by individuals:_______. 3. A centrally planned economy:_______.4. A system where prices and wages are set by supply and demand:______.

Answers

Answer:

1. Communism

2. Capitalism

3. Socialism

4. Capitalism

Explanation:

Given the definitions, the correct answers are the following:

1. A political-economic system that generally includes an authoritarian government: COMMUNISM

2. An economy that depends on strong entrepreneurship and capital investment by individuals: CAPITALISM

3. A centrally planned economy: SOCIALISM

4. A system where prices and wages are set by supply and demand: CAPITALISM.

Answer:

1. communism

2. capitalism

3. socialism

4. capitalism

Explanation:

I just did it.

The judicial branch has the power to-
A= Make Sure laws are followed
B= Create laws
C= Decide if laws are fair based on the constitution
D= They have no power involving laws

Answers

Answer:

Decide if laws are fair based on the constitution

When too many fertilizers enter a body of water, an uncontrolled growth of algae may result. The algae consume all of the dissolved oxygen, killing marine life. This is called __________.
A.

ozone pollution
B.

acid rain
C.

eutrophication
D.

toxic spillage

Please select the best answer from the choices provided
A
B
C
D

Answers

When too many fertilizers enter a body of water, an uncontrolled growth of algae may result. The algae consume all of the dissolved oxygen, killing marine life. This is called __________.



C. Eutrophication

Answer:

When too many fertilizers enter a body of water, an uncontrolled growth of algae may result. The algae consume all of the dissolved oxygen, killing marine life. This is called eutrophication.

Explanation:

Brainliest Please!!!!

What type or quantity of stress can result in unexpected negative effects, such as boredom and apathy?
a. Functional
b. Dysfunctional
c. Too little
d. None of these are correct.
e. too much

Answers

The correct answer is E. Too much stress can result in unexpected negative effects, such as boredom and apathy.

This is because excessive or chronic stress can lead to a variety of negative outcomes, including boredom, apathy, burnout, and even physical and mental health problems. When stress is too high, it can lead to exhaustion, irritability, difficulty concentrating, and a host of other symptoms, all of which can make it difficult to be productive or engaged with work or other activities.

Functional stress, on the other hand, is a type of stress that is beneficial in small doses. It can help you focus and perform at your best, and it can even help you build resilience and adaptability to challenging situations. However, when stress becomes too intense or prolonged, it can quickly become dysfunctional and have a negative impact on your mental, emotional, and physical well-being.

Therefore, option E, "too much," is the correct answer to the question of what type or quantity of stress can result in unexpected negative effects, such as boredom and apathy.

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"the professor said we have to turn in our papers digitally, not print them on paper."

Answers

The professor requires you to submit your papers electronically rather than in a printed format.

The professor has specified that submitting papers in a digital format is mandatory, and physical printing is not allowed. This means that students need to upload their papers to a designated platform or email them to the professor. It is important to adhere to these instructions to ensure that the papers are received and evaluated on time.

This means you need to save your paper as a digital file (such as a PDF or Word document) and submit it through the designated online platform, such as an email or a learning management system. This approach saves paper and makes it easier for the professor to review and grade your work.

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Which of the following is a victimless crime?
a auto theft
b. illegal drug use
c. larceny
d. murder
Please select the best answer from the choices provided
A
B
C
D

Answers

Answer:

b. illegal drug use

Explanation:

victimless as long as your not hurting anyone :)

plus it's right on edg loll

Illegal drug use is a victimless crime.

What is a victimless crime?

Victimless crime is against the law without a victim in it no 0.33 celebration is injured. This form of crime is personal in nature and there's consent this is doing a victimless crime. therefore there may be trouble with complaining and evidence during prosecution.

What is an example of a victimless crime?

Traffic violations, playing, and trespassing are all victimless crimes. A victimless crime is where there's no identifiable victim. The offense is towards the cultural norms of a network, that community's values, attitudes, and beliefs.

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Which of the following questions can you answer based on the information in this document? A When was it written? B Where was it written? C For whom was it written? D all of the above

Answers

Answer:

It's D. all of the above

When you are reading a document or searching one you ask questions like that to receive as much information as possible.

Explanation:

Which statement accurately summarizes the information presented in the graphs? For both the general public and members of Congress, increases in education result in increased net worth so that the best educated have the greatest net worth. Members of Congress are representative of the general public in terms of their level of education and median net worth. Not only are members of Congress better educated than the general population of the United States, but the median net worth for members of Congress in all racial and ethnic categories shown exceeds that of the general public with the same level of educational attainment.

Answers

Not only are members of Congress better educated than the general population of the United States, but the median net worth for members of Congress in all racial and ethnic categories shown exceeds that of the general public with the same level of educational attainment.

The graph clearly shows that there is difference in education for members of Congress than general population. The members of Congress are well educated and have deep understanding and knowledge of system of United States.

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Choose the answer that is the best describes a river delta.

A.)V-shaped canyon, steep incline, rapid movement, transports large sediments

B.)wide body of water, flat surface, gravity does not effect currents

C.)wide area, slow movement, large buildup of sediment, transition to lake or sea

Answers

Answer:

C!

Explanation:

Deltas are formed as rivers empty their water and sediment into another body of water!

Hope this helped! have a nice day :)

The answer is C
Explain because I did this question before I got it correct

The amendment process starts in the legislated branch, also called_______.

Answers

Answer:

it is Congress in response

Answer:

Not sure but I think it's the congress

Explanation:

Who is part of the executive branch and the judicial branch in the federal government

Answers

Answer:

The president, vice president, Cabinet and advisors are part of the Executive Branch.  The Supreme Court, District courts, Circuit Courts of Appeals,  District court judges, and District court magistrate judges are a part of the Judicial Branch.  

Explanation:

what two native american empires had gold treasures that the spanish wanted

Answers

Answer:

Aztec and incas

Explanation:

an essentialist would argue that essentialism is an approach to _____.

Answers

Approach to understanding the world and the individuals within it.

Essentialism is a philosophical perspective that suggests that everything has an essential nature, an unchanging quality that defines what it is. In other words, essentialists believe that everything has a set of inherent characteristics that make it what it is, and that these characteristics are necessary and unchanging. An essentialist approach to understanding the world and the individuals within it focuses on identifying these essential qualities and using them to define and understand different aspects of life. This approach is often contrasted with a more constructivist approach, which emphasizes the ways in which our perceptions and understandings of the world are shaped by our experiences and social contexts.

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Image of the Koran written in West African script.

Public Domain

This page is from a Koran made in West Africa, but it is an excellent example of cultural diffusion. Why?

Answers

The combination of many cultural components and influences, the image of a Koran written in West African script is a great example of cultural diffusion.

The spread and interchange of cultural features, ideas, and practices between different societies or locations is referred to as cultural diffusion.

The Koran was written in a West African script, demonstrating the influence and adaptation of Islamic holy writings to indigenous African languages and writing systems.

The image of a Koran written in West African script demonstrates cultural dispersion through the assimilation of West African script, the spread of Islam to the region, creative style fusion, and the syncretism of Islamic practices with local customs.

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Other Questions
describe how oxygen and carbon dioxide are cycled using the cardiovascular and respiratory system The display summarizes home sales in the months from September to December.Segmented bar chart titled home sales with four vertical bars. Each bar is divided into two parts, less than $150,000 and $150,000 or more. For September, less than $150,000 is 0 to 40 percent and $150,000 or more is 40 to 100 percent. For October, less than $150,000 is 0 to 45 percent and $150,000 or more is 45 to 100 percent. For November, less than $150,000 is 0 to 55 percent and $150,000 or more is 55 to 100 percent. For December, less than $150,000 is 0 to 68 percent and $150,000 or more is 68 percent to 100 percent.Which of the following describes the data set? The data is univariate and categorical. The data is univariate and numerical. The data is bivariate and categorical. The data is bivariate and numerical. when we make judgments, we often have to do so with limited information, limited time, or limited computational skill. because of this, we must often rely on: QUICK!! Please help this is due really soon and Im stuck Calculate the area of trapezium CDEF:)In the diagram shown . CDEF is a trapezium .ABCF is a rectangle . BD = 9cm .AB = 6cm.EF = 3cmPerimeter of ABCF = 20cm Melissa was putting on her makeup when she accidentally ran into a stopped car at a red light, 11. 01 m in front of her. Melissa's 1,219 kg car was moving at 8. 133 m/s and came to a complete stop in 0. 3994 seconds. What is the magnitude of the force that stopped Melissa's car? a2. 970E4 N b1. 535E4 N c1. 934E4 N d4. 550E4 N e4. 295E4 N f3. 400E4 N g3. 821E4 N h2. 482E4 N in the united states and canada, which areal unit best approximates a city neighborhood in size? responses a census tract a census tract a county a county a municipality a municipality a congressional district a congressional district a metropolitan area even or odd or neither The current account deficit (CAD) is expected to be at least $40 billion, by the end of 2022, which is the result of savings gap (S-1). If we are to finance a part of our investments by borrowing from abroad, can Turkey handle this problem with export policies like China? If so, why the export promotion policies of the government, based on the depreciation of TL, could not succeed? Consider the very low exchange rate elasticity of imports and of exports in Turkey and discuss why imports cannot decrease and exports cannot increase enough to compensate the trade deficit with devaluation ejemplos de implcitos y explicito Write the formulas of the ionic compounds A company's revenue from selling x units of an item is given as R-1000x-x dollars. If sales are increasing at the rate of 70 per day, find how rapidly revenue is growing (in dollars per day) when 350 units have been sold. $ ______per day Which of the following is NOT an abiotic factor that may determinespecies distributions?-soil pH, -competition for food, -wind exposure, -solar radiation 13 1/2 ounces for 6 servings PLEASE NO LINKS,Find the measurement in parallelogram.Need help, please.I also need explanation. Anyone pls help me I need helppppp Write a one-paragraph (5-7 sentences) reflection on the dangers of drugs and how they can interfere with you achieving your goals. please help me as soon as possible, thanks!!!QUESTION 3In all programming language the statement that is used to manipulate or modify data is called:a.Program Eventb.Conditional Statementc.Assignment Statementd.Declaration StatementQUESTION 4A programming statement that allows the program logic to take alternate actions based on testing the value of variables is a:a.Assignment Statementb.Declaration Statementc.Program Eventd.Conditional StatementQUESTION 5Algorithms that have been specialized to a specific set of conditions and assumptions that are adaptable to executing on a computer are called:a.Loopsb.Functionsc.Instructionsd.Programs caring/goodwill refers to the:group of answer choicesattitude toward the speaker before the introduction of the speech.benevolent attitude of the speaker toward people in the audience.character of the speaker, as revealed by his or her topic choice.perception of the speaker as caring about people in the audience.reputation of the speaker as someone who serves the community. Why did Lee wait a month between the battle of Chancellorsville and the move into the Shenandoah Valley?