Monday
May 30, 2016

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

math plz help ;-;
1. Solve the system by any method: 2x-5y=-1 2x-y=1 How many solutions does the system of equations below have? Explain your answer. y=3/5x-1 y=6/10x+3 plz help me ;-; i dont understand how to do this, sorry ;-;
Monday, May 30, 2016 by leo

Pre calculus
olve the system of equations using matrices. Use Gaussian elimination with back-substitution. x + y + z     =      -5 x - y + 3z    =     -1 4x + y + z    =  ...
Sunday, May 29, 2016 by Kim

Algebra, please help
I've been stuck for a while on this problem Which ordered pair represents the solution to the system of equations? { 5x+3y=7 { 3x-5y=-23
Thursday, May 26, 2016 by Ayden

math
Elimination was used to solve a system of equations. One of the intermediate steps led to the equation 9x=27 . Which of the following systems could have led to this equation? 4x+3y=24 −5x−3y=3 7x−2y=15 x+y=6 9x+2y=21 −9x−2y=21 10x−y=15 x+y...
Thursday, May 26, 2016 by Claire

physics
a submarine fitted with a SONAR system operates at a frequency 50kHz. An enwmy submarine is now moving towards it with a speed of 450km/hr. Find the frequency of the sound received back at the SONAR from the enemy submarine. Velocity of sound in water is 1450m/s.
Wednesday, May 25, 2016 by please Help urgently

U.S Histroy please help me
one year ago 1. The states below were added to the Union during the decade following the War of 1812: Indiana (1816) Mississippi (1817) Illinois (1818) Alabama (1819) Maine (1820) Missouri (1821) Which statement best explains how the War of 1812 contributed to the growth of ...
Wednesday, May 25, 2016 by sav

English
1) What is the principal part of the underlined verb in the sentence? I have never beaten my grandfather at chess. A. past B. past participle C. present D. present participle "beaten" is b past participle 2) What is the principal part of the underlined verb in the ...
Wednesday, May 25, 2016 by Rochelle

simultaneous-equation help am despirate
find the value of x,yandz in the system equation 2x+y-z=8 x^2-y^2+2z^2=14 3x^3+4y^3+z^3=195 step please thanks
Tuesday, May 24, 2016 by dam

Physics
Heat is added to a system, and the system does 35.0 J of work. If the internal energy increases by 17.0 J, how much heat was added to the system?
Tuesday, May 24, 2016 by AMOOON

accounts
Mr. X purchased 2 machinery on a hire purchase system . he pays rs 125,000 down and 150,000 at the end of second yr, fourth year, sixth year. Interest is charged by vendor @ 10% p.a. with 2 yearly, rest on unpaid balance. Calculate the amount of interest and cash price.
Tuesday, May 24, 2016 by Deepali Upadhyay

algebra
how many solutions does the system of equations have? 6x+18y=9 and -1/3x+1/2 please help! thank you c:
Monday, May 23, 2016 by bangtan trash

Math
How many solution are there in the following system of equations? x=-6y+4 2x+12y=8 Please help me and explain it to me! I would really appreciate if you guys answered it!
Monday, May 23, 2016 by Helen

math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the equations in the system ...
Monday, May 23, 2016 by Steve

History
1)Which statement best explains how the War of 1812 contributed to the growth of the United States to include these states? A) Large numbers of soldiers later settled in the territories where the war had been fought. B) Military heroes from the war went into politics in the ...
Monday, May 23, 2016 by Check work

U.S History
1) Air pollutants can do all of the following EXPECT: A) damage the respiratory system B) enter the bloodstream and harm other parts of the body*** C) cause discoloration to your hair D) reduce your protection from the sun's radiation 2) Biodegradable waste threatens the ...
Monday, May 23, 2016 by HELP PLZ

algebra
The volleyball team at West View High School is comparing T-shirt companies where they can purchase their practice shirts. The two companies, Shirt Box and Just Tees, are represented by this system of equations where x is the number of T-shirts and y is the total cost of the T...
Monday, May 23, 2016 by joanne

Math; Solve by Graphing
Which description best describes the solution to the following system of equations? y = −x + 4 y = 3x + 3 Line y = −x + 4 intersects the line y = 3x + 3. Lines y = −x + 4 and y = 3x + 3 intersect the x-axis. Lines y = −x + 4 and y = 3x + 3 intersect the...
Monday, May 23, 2016 by Pickle

Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the equations in the system ...
Sunday, May 22, 2016 by Steve

Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the equations in the system ...
Sunday, May 22, 2016 by Steve

Math
A farmer has dogs and chickens running around in his backyard. There are a total of 36 animals, and the farmer counts a total of 56 legs. The farmer can use a system of equations to determine how many of each animal there are. He claims that one of the equations in the system ...
Sunday, May 22, 2016 by Steve

math
what is the solution to the system of equations ? x=y-3 x 3y=13 A. (1,4) B.(4,1) C.(7,4) D. (2.5,5.5) please help my best answer is b
Friday, May 20, 2016 by Anastasia

SS
"Contrary to the vulgar belief that men are motivated primarily by materialistic considerations, we now see the capitalist system being discredited and destroyed all over the world, even though this system has given men the greatest material comforts." - Ayn Rand I&#...
Friday, May 20, 2016 by Anonymous

Social Studies
What were the effects of the interstate highway system? 1.it caused decline in air 2.it connected surban areas to metropolitan areas 3.highway constructions projects created jobs 4.it enabled people to drive longer distances at faster speeds my best answer is 1 and 3 can u ...
Friday, May 20, 2016 by Anastasia

Social Studies
Out of the experience of an extraordinary human disaster that lasted too long, must be born a society of which all humanity will be proud. The time for the healing of the wounds has come. The moment to bridge the chasms that divide us has come. Never, never and never again ...
Friday, May 20, 2016 by Sammy

Finance
Following are selected financial data in thousands of dollars for the Hunter Corporation. 2012 2011 Current assets $ 500 $400 Fixed assets, net 700 600 Total assets 1,200 1,000 Current liabilities 300 200 Long-term debt 200 200 Common equity 700 600 Total liabilities and ...
Thursday, May 19, 2016 by Veronica

US History
Select all that apply. The four factors that caused New England manufacturers to start spinning mills were: A. power from waterfalls B. available cotton C. the first modern depression of 1819 E. the Embargo F. Clay's "American System" available labor G. the first...
Thursday, May 19, 2016 by Giovanni

life orientation(l.o)
Please give me an example of your belief system and how it influences your life.
Wednesday, May 18, 2016 by Anonymous

math
Lisa and Katie are playing a card game, and a total of 900 points has been scored. Lisa scored 150 more points than Katie. If you let l= the number of points that Lisa scored, and k= the number of points that Katie scored, then the problem can be represented by the system: l+k...
Wednesday, May 18, 2016 by Claire

Civics (Reed)(Check)
1. What information is being presented? What facts are presented? For trial by jury: A: You cannot set up or establish your own court system. This amendment should be more known by citizens or the people. For excessive bail and fines: A: If you are accused of a small crime, ...
Tuesday, May 17, 2016 by Victoria

Civics (Reed)(Check)
This post is about accused persons in criminal cases and speedy and fair trial. 1. What information is being presented? What facts are presented? A: For accused persons in criminal cases: A: You are protected against the abuse of the govt. in criminal cases. The govt. cannot ...
Tuesday, May 17, 2016 by Victoria

pysics
550 g of water (cw = 4186 J/kg.K) at 75°C is poured into an 855 g aluminum (cw =900 J/kg.K) container with an initial temperature of 11°C. What is the final temperature of the system, assuming no heat is exchanged with the surroundings? Select one: a. 75 °C b. 59 &...
Tuesday, May 17, 2016 by nick

Algebra
7x + 5 = y 3.5x + 20 = y Solve the system of equations. What method did you use to solve the system and why? Show your work. Can someone please explain to me the process of solving the system? That would be nice. Thanks! (=
Tuesday, May 17, 2016 by Scarlet

physics
Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle. The other two items are ...
Tuesday, May 17, 2016 by ChrismB

physics
A. State Ohm’s law B.Describe the process of electrolysis C. What is the relationship between resistance and resistivity D. What is the current through 8Ω device operating with 120V The potential difference required to pass 3A through 42Ω. E. Describe what is ...
Tuesday, May 17, 2016 by Chansa

physics help me
Four items, all with equal masses, are used to construct the device depicted to the right. Two of the items are uniform solid disks, the smaller of which has half the radius of the other. The disks are glued together so that they share a common axle.The other two items are ...
Monday, May 16, 2016 by Asfand

Biology
Describe the traits that distinguish animals from other organisms Explain the diversity of invertebrates, chordates, and primates using the theory of evolution Describe the structures and body systems of animals that allow them to maintain homeostasis Describe the structures ...
Monday, May 16, 2016 by lola

Chemistry
Spontaneous reactions ________. always release free energy*** always result in increase disorder of the system always take place at a rapid rate are always exothermic
Monday, May 16, 2016 by Ben

Science
Historical models of the solar system include: A.Helliocentric,B.nebular,C.Geocentric model or earth centered universe and a _ model or sun centered universe
Monday, May 16, 2016 by Hailey

Civics (Reed)(Check)
This post is about accused persons in criminal cases and speedy and fair trial. 1. What information is being presented? What facts are presented? A: For accused persons in criminal cases: A: You are protected against the abuse of the govt. in criminal cases. The govt. cannot ...
Monday, May 16, 2016 by Victoria

IT
why is system Burn-in important?
Sunday, May 15, 2016 by michael

Economics
Checking to see if I got these right. The ones I selected are marked with an * 1. The price paid for the use of capital is called (Points : 1) mortgage payment. rent. profit. wages. *interest. 2. Capital consists of (Points : 1) stocks and bonds. the assets of the government...
Sunday, May 15, 2016 by Mike

Macroeconomics
Checking to see if I got these right. The ones I selected are marked with an * 1. The price paid for the use of capital is called (Points : 1) mortgage payment. rent. profit. wages. *interest. 2. Capital consists of (Points : 1) stocks and bonds. the assets of the government...
Sunday, May 15, 2016 by Mike

Informaton Technology
How does BIOS optimisation affect the performance of the computer system, and how it is done?
Saturday, May 14, 2016 by Sherzz

Informaton Technology
Why is system Burn-in important?
Saturday, May 14, 2016 by Sherzz

Informaton Technology
Explain how each of the following contributes to the overall performance of a computer system and mentioned how it is done. (a) System optimisation (b) Component optimisation
Saturday, May 14, 2016 by Sherzz

math
Anyone please help me! Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. (I ...
Saturday, May 14, 2016 by Anna

Chemistry
Consider the following system at equilibrium. CaCO3(s) mc032-1.jpg Ca2+(aq) + CO32–(aq) The addition of which compound will cause a shift in equilibrium because of a common ion effect? CCl4 CO2 CuSO4 Na2CO3
Saturday, May 14, 2016 by Haylie S

CHECK my answers for drivers education please!
11. The only sure way to reduce the body’s BAC and the degree of impairment is to (1 point) take a cold shower. wait the necessary time the body needs to eliminate the alcohol.*** handle a sudden emergency. consume several cups of black coffee. 12. Coping with emotions ...
Thursday, May 12, 2016 by Anonymous

history
1. What change was made in the 1969 to the south carolina constitution of 1895? a. the governor was permitted to succeed himself b. the residency requirement for voting was eliminated ** c. the court system would nolonger be controlled by the state senate d. the legislature ...
Thursday, May 12, 2016 by history

CHECK my drivers ed answers
1. Searching for other roadway users includes identifying (1 point) only those in motor vehicles. signs, signals, and roadway markings. users of different sizes and shapes. the characteristics of the roadway.**** 2. What is the Zone Control System? (1 point) a method of ...
Wednesday, May 11, 2016 by Anonymous

Science
3. Which of the following small bodies are the hardest to tell apart because they are made of similar materials? dwarf planets and comets asteroids and comets comets and meteoroids asteroids and meteoroids** A scientist examines a sample of an object from the solar system. ...
Wednesday, May 11, 2016 by lifeisgreat

Science
1. How do scientists classify small objects in the solar system? by size by shape by size, shape, and temperature by size, shape, and composition** 2.Which of the following categories of small bodies in the solar system does Ceres belong to? dwarf planets** comets meteoroids ...
Wednesday, May 11, 2016 by lifeisgreat

Social Studies
HI, so these are questions from a test that I already took and I got these three wrong. But there letting me re do it so can someone explain to me or give me a link or something? Select a new deal program that helped improve the lives of south Carolinians. Explain what the ...
Wednesday, May 11, 2016 by Lacey

HELP PLEASE?!!
Circulatory systems of animals transport nutrients to tissues. Which system of plants performs a similar function? starch granules xylem and phloem tubes stomata apical meristems plant hormone system
Wednesday, May 11, 2016 by GABRIEL

physics help pls
Two masses of 200 grams and 400 grams are attached respectively at the end of the cord that passes through around a negligibly weight and frictionless pulley. a.) Find the acceleration of the system, b.) tension in each cord, c.) the distance and velocity of the masses when ...
Wednesday, May 11, 2016 by jine

ss
1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon winds carry plenty of ...
Wednesday, May 11, 2016 by #Blessed

Math
Why is the Cartesian System unique? The Cartesian System is unique because you can specify any point uniquely in a two or three dimensional space by using two or three Cartesian coordinates
Tuesday, May 10, 2016 by Sue

health
The various activities of the nervous system include a function such as - A. Integrative B. Motor C. Sensory D. All of the above
Tuesday, May 10, 2016 by kellie

Math
why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
Tuesday, May 10, 2016 by Mike

Chemistry
20. What is the molecular formula for alkane, alkenes and alkynes? 15.What happens to a reaction at equilibrium when more reactant is added to the system?
Tuesday, May 10, 2016 by BLAH

Math
Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
Tuesday, May 10, 2016 by Mike

Geometry
Historically, why is the Cartesian Coordinate System unique? The system is unique because it's concept of using a pair of axes in a three dimensional format
Tuesday, May 10, 2016 by Mike

chemistry
If the average volume of all the blood in a human body is 4700 mL, what is the molarity of DNA in the human blood system?
Tuesday, May 10, 2016 by jenna

Chemistry
A buffer system contains 0.30 M NH4+ and 0.15 M NH3. pKa of NH4+ is 9.25. How many moles of NaOH must be added to 1.00 L of this solution to increase the pH to 9.25? Hint: What is the (NH3) / (NH4+) when the pH=pKa?
Tuesday, May 10, 2016 by Ally

Check my answers? Science
The order of events and ages of rocks by examining positions is *relative dating*. Gaps in rock layers are called *unconformities*. What uses properties of atoms to find ages of rocks? *Absolute Dating*. A life form in Precambrian Time was *Cyanobacteria*. What signaled the ...
Monday, May 9, 2016 by Ava

P.E
1. Air pollutants can do all of the following EXCEPT: A. damage the respiratory system. B. enter the bloodstream and harm other parts of the body. C. cause discoloration to your hair. D. reduce your protection from the sun's radiation.*** 2. True or False Biodegradable ...
Monday, May 9, 2016 by Kpop is real

Geometry
Which ordered pair is the solution to the system of equations below? {3x-7y=-10 {5x-y=-6 A system of equations is shown below 2x+y=7 3x-2y=0 What is the solution to the system?
Sunday, May 8, 2016 by Phillip

Education technology
1. which of the following is an example of tangible property? A method for creating ice cream that you friend thought of An idea for an invention that your dad mentioned briefly but did not write down•• Song lyrics printed in a songbook A quicker system of washing a ...
Friday, May 6, 2016 by Bryan

Math
X-3y=1 4x+5y=4 Solve the system of equations.
Friday, May 6, 2016 by Steven

Math
A 100 point test contains a total of 20 questions. The multiple choice questions are worth 3 points each and the short response answer questions are worth 8 pints each. Write a system of linear equations that represents this situation, my answer is to correlate the 3 points ...
Friday, May 6, 2016 by Steven

social studies
1. The Himalayas separate _________. (1 point) Pakistan and India the Indian subcontinent from the rest of Asia Afghanistan from the rest of South Asia northern and southern India 2. What impact do monsoon winds most have on South Asia? (1 point) Monsoon winds carry plenty of ...
Friday, May 6, 2016 by Help please

MATH HELP PLZ!
Two cell phone companies have different rate plans. Runfast has monthly charges $25 plus $10 per gig of data. B A &D’s monthly charge is $18 plus 15 per gig of data. Your task is to determine under what circumstances each company has the better pricing. You will derive ...
Thursday, May 5, 2016 by Santana

Algebra 2
1. What is the determinant of the matrix? [5 6] [2 9] a. -33 b. 6 c. -6 d. 33 <---- my answer 2. What is the determinant of the matrix? [-4 -5] [ 2 -6] a. -14 b. -34 c. 14 d. 34 <---- my answer 3. Which expression gives the x-coordinate of the solution of the system? 2x+...
Wednesday, May 4, 2016 by Anastassia

physics
A bag of cement of weight 325N hangs from wires as Shawn. Two of the wires make angels al=60 degrees a2=50 degrees with the horizontal. If the system is in equilibrium find the tension T1, T2 and T3 in the wires.
Wednesday, May 4, 2016 by Chansa

Math (Mrs. Sue, please help?)
A system of equations is given below: y = 3x + 4 2x + 3y = 10 Which of the following steps could be used to solve by substitution? (4 points) 3x + 4 = 2x + 3y 2x + 3(3x + 4) = 10 2(3x + 4) + 3y = 10 3(y = 3x + 4) (I don't understand this at all and I've read through ...
Wednesday, May 4, 2016 by Reb

Psychology
5.Regarding the trichromatic theory of color vision, which statement is most accurate? A. The theory maintains that receptor cells are grouped in pairs, such as black-white. B. Specialized cells in the retina engage in a process called feature detection. C. Specialized cells ...
Wednesday, May 4, 2016 by Emma

Chemistry
Consider the reaction N2(g)+3H2<-->2NH3(g). What is the effect of decreasing the volume on the contained gases The reaction shifts toward the product gas The system reacts by increasing the number of gas molecules*** the pressure on the gases decreases momentarily ...
Wednesday, May 4, 2016 by Jordan

History
5.)why would americans free states want slaves state to remain part of the united states as opposed to just letting them leave the union? A.)Federal trade laws, unequal taxation, and slavery B.)Cotton processing, the slave trade, and the federal banking system C.)Slavery, self...
Wednesday, May 4, 2016 by #FreeGucci

Math
Solve the system of equations algebraically . show all your steps. Y=x^2+2x Y=3x+20
Tuesday, May 3, 2016 by Subhanhassan

Math
Solve the system of equations algebraically. Show all of your steps. Y=x^2+2x y=3x+20
Tuesday, May 3, 2016 by Subhanhassan

Social Studies (please check Ms. Sue)
Please check this. Thanks!!! 1. How did President John F. Kennedy most support civil rights? a. He favored voting rights laws.*** b. He organized a march. c. He established the Peace Corps. d. He rode "freedom buses." 2. Which of the following was a result of the ...
Tuesday, May 3, 2016 by SpitFireRedHead

math 1324
a natural history museum borrowed $2,000,000 at simple annual interest to purchase new exhibits. Some of the money was borowed at 7%, some at 8.5%, and some at 9.5%. Use a system of linear equations to determine how much was borrowed at each rate if the total annual interest ...
Tuesday, May 3, 2016 by Anonymous

Science
In a heat engine, if 700 J of heat enters the system, and the piston does 400 J of work, what is the final internal (thermal) energy of the system if the initial energy is 1,200 J?
Monday, May 2, 2016 by Ivan

health and physical
your digestive system has three main functions:digestion, absorption and elimination. in which organ dose absorption begin? a. mouth*** b.stomach c.small intestine d.gallbladder i think a.mouth
Monday, May 2, 2016 by larry :can you please check my answers

health
without this system in the body you would get really sick because toxins and waste would build up. 1. cardiovascular 2. excretory 3.integumentary 4. muscular
Monday, May 2, 2016 by billy

health and physical
the noise diaphragm and lungs are part of the _____ system A. circulatory B. excretory C.nervous D.respiratory
Monday, May 2, 2016 by larry

health
The peripheral nervous system (select all that apply) Is made up of the brain and spinal cord Links the body to the brain and spinal cord Is made up of sensory and motor neurons Is responsible for thought and reasoning I think it could be b and c?
Monday, May 2, 2016 by Ashley

pre-algebra
Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2. Design a fair race in ...
Monday, May 2, 2016 by _kylee17_

history
1. How did president John F. Kennedy most support civil rights? a. He favored voting rights laws ** b. He organized a march c. He established the peace corps d. He rode “freedom buses” 2. Which of the following was a result of the civil rights act of 1964 a. Civil ...
Monday, May 2, 2016 by abstract

Earth science
What is an example of a stable system? How were you able to determine whether or not this system is stable? Please don't attach files, my parents do not allow me to click on any attached files!
Monday, May 2, 2016 by Please help!!!!!!!

Science
What is an example of a stable system? How were you able to determine whether or not this system is stable? I really appreciate your help!
Monday, May 2, 2016 by blackbeltninja

Accounting
Aunt Rhea Corporation Income Statement For the Year Ended December 31, 2015 Service Revenue $ 900,000 Operating Expenses 700,000 Net Income before Income Tax $ 200,000 Gain on Investment Sale 10,000 Net income Before Income Taxes $ 210,000 Income Tax Expense 90,000 Net Income...
Monday, May 2, 2016 by Daniel

Physics
A 1.8 kg piece of a metal initially at a temperature of 180oC is dropped into the water with mass of 14 kg. The water is in a container made of the same metal with mass 3.6 kg. The initial temperature of the water and container is 16.0oC, and the final temperature of the ...
Sunday, May 1, 2016 by Anonymous

health and PE
The brain and spinal cord make up the reflex pathway. peripheral nervous system. central nervous system. the fight-or-flight response is it b?
Sunday, May 1, 2016 by gabby

HEALTH PLZ HELP
1.Which organization would be the most helpful on providing you with information on how to stop using tobacco? A. American kidney foundation B. American cancer society C. American Legacy*** D. American Society of non-Smokers 2. In nature nicotine acts as a(n) A. Growing agent ...
Saturday, April 30, 2016 by Sparkles_01

history please help
1. Select a new deal program that helped improve the lives of south Carolinians. Explain what the program improved and how it helped the people of South Carolina 2. Explain how rationing affected the people on the home front during world war II. how did this behavior help the ...
Friday, April 29, 2016 by history

College Algebra Help?!
If a customer purchases a new stereo system during the spring sale, he may choose any 4 CDs from 20 classical and 32 jazz selections. In how many ways can the customer choose 2 of each?
Friday, April 29, 2016 by Madison

Math, Please help.
1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2. Design a fair race in which the two animals have an equal chance of winning if they race at their top speed. Here are a few ...
Thursday, April 28, 2016 by Alexia Smith

Biology 9th grade
I am stuck on a question on The Integumentary System, the question is Water molecules in the blood pass through the walls of the (blank) into the sweat glands. I am not sure, can someone help me, thanks.
Thursday, April 28, 2016 by Sofia

life sciences
Genetic and Gregor Mendel's with nervous system
Thursday, April 28, 2016 by Hlophego

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Homework Help: Computers