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Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

World history
1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.*** 2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

History
which represents an aztec adaptation to their environment A. A surplus of farmed crops B.an accurate 365 day calendar C.a system of causeways D.farming in terraces

History
Which represents an Aztec adaption to their environment? A. A surplus of farmed crops••• B. An accurate 365-day calendar C. A system of causeways D.Farming in terraces Please answer ASAP😩😩

physics
a child and a bicycle have a mass of 45kg together. The child rides the bicycle 1800m in 10 min at a constant speed. what is the kinetic energy of the system?

physics
a 200kg body raised to a height of 10m. what is the gravitational potential energy of the system?

Please help do by 10:00 Science
1. Convert 4.0 kilometers (km) to meters (m). (1 point) 0.04 m 40 m 400 m 4,000 m 2. For his science project, Austin wants to determine if the pH of standing rainwater changes over time. He collects a jar of rainwater and places it indoors in a spot that does not receive a lot...

The Human Resource Environment
Which of the following is a false statement about the performance management process? A. In some organizations, employees evaluate their own performance, and often, peers and subordinates participate, too. B. Performance measures may emphasize either observable behaviors or ...

Physics
A mass (m1) is connected by a light string that passes over a massless frictionless pulley to a mass (m2) sliding on a horizontal surface. The coefficient of kinetic friction between the m2 and the surface is 0.25. If m1=1.0kg and m2=2.0kg then what is the acceleration of the ...

Physics
You step onto a hot beach with your bare feet. A nerve impulse, generated in your foot, travels through your nervous system at an average speed of 152 m/s. How much time does it take for the impulse, which travels a distance of 1.65 m, to reach your brain?

History
1. Which group most directly influenced the maya and the Aztec? A: Mexican B.moche C.olmec * D.puebloan 2.Which of the following are evidence that one civilization had a large influence on both the Maya and the Aztec? Select all that apply. (3 are correct) the construction of ...

Science
A 0.5kg mass connected to a light spring of constant 20N/M occilates on a frictionless track. Calculate the total energy of the system

Social studies
I am lost .. Why did the great compromise establish a two-house legislature? A:to fairly represent all states B:to allow for population growth C: to provide checks and balances D: to prevent unconstitutional laws***? In what way did the structure of the Virginia House of ...

chemistry
In a large building, oil is used in a steam boiler heating system. The combustion of 1.0 lb of oil provides 2.2×107J. Part A How many kilograms of oil are needed to heat 110 kg of water from 24 ∘C to 100∘C? (Assume that 1lb=454g, the specific heat of liquid water ...

Physics
A large engine with mass of 400 kg must be lifted 3 meters out of a truck for repair. A normal mechanic can lift with about 250 N of pulling force. They use a system of pulleys to do this. If we assume the engine starts on the ground, how long must the ropes be on the pulley ...

Operating System
if relocation is used, what are the contents of the relocation is used registers for job1, job2, job3 after compaction?

value
GIVEN THE SYSTEM, SO2 + O2 = 2SO3 WRITE DOWN THE EXPRESSION FOR Kc AND STATE IT UNIT

Chemistry
(DrBob222 please help me) What would be the final temperature of the system if 16.6 g of lead at 138 ◦C is dropped into 23.4 g of water at 8.68 ◦C in an insulated container? The specific heat of lead is 0.128 J/g◦C. Please explain with the numbers plugged in ...

Chemistry
PLEASE HELP OR I WILL FAIL What would be the final temperature of the system if 16.6 g of lead at 138 ◦C is dropped into 23.4 g of water at 8.68 ◦C in an insulated container? The specific heat of lead is 0.128J/g◦C.

Wold History
1. Which statement best describes the period known as the Old Kingdom? It was a time of dynastic uncertainty. It was a time of development. It was a time of great geographic expansion.***   2. In what way was the Nile both a benefit and a disadvantage for Egypt? It provided ...

US goverment
identify which fact about the amendment process best supports this quotation from the textbook the formal amendment process emphasizes the federal character of the government system. A. Amending the constitution is a complex process that usually takes years to accomplish B. ...

physics
A rope of mass M uniformly distributed along its length L ,can slide without friction on a horizontal table. At instant to=0 the hanging part of the rope has a length b and the rope is held at rest .When it is left the rope begins to slide. At instant t the part of the rope ...

Physics
A painter of mass 80.0 kg stands on a platform of mass 75.0 kg and pulls on two ropes which hang over pulleys, as shown. He pulls each rope with a force of 400.0 N. Assuming a coordinate system where +y is up, calculate the y-component of the acceleration ay. ay can either be ...

Science
1.Which of the following is a good study habit? A.maintaining a positive attitude ** B.waiting until the last minute to start on an assignment C.listening to the television while studying D.studying when you are tired 2. Your friend John complains about his poor grades. You go...

physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing through the other end of ...

Science
2. Your friend John complains about his poor grades. You go to his house to study one day. The only place John has to study is at the kitchen table. While you are there, his younger brothers run through the kitchen screaming over and over again. What advice would you give ...

physics
A pendulum is formed of a particle of mass 100g suspended from the end of an inextensible string of negligible mass and of length L=100cm. The pendulum is shifted by an angle of 60 degrees from its equilibrium position about a horizontal axis passing through the other end of ...

history
( ) around my answer. If nothing is there then i don't know What is one important achievement of the Incas? A. a written language B. a system of democratic government C. a system of roads and bridges D. an accurate calendar What is one way in which the Incas increased their ...

Physics
The system starts at rest. A mass of 20kg (m1) is connected to a pulley of uniform mass m=5kg and radius 10cm and a mass of 30kg (m2) hangs on the other side of the pulley hanging 2m above the ledge Find the tension of the strings I tried to find the acceleration by finding ...

Physics
a solid of density 2700 kg/m³ and volume 0.0015 m³ is completely immersed in alcohol of density 800kg/m³.Calculate: 1) weight on solid in SI system 2) upthrust on solid in SI system 3) apparent weight of solid in alcohol 4) will the apparent weight of solid be less or more,...

Maths
A biscuit manufacturer packs its biscuits into individual boxes using a machine. The weight is advertised on each box as 200 grammes. The machine has been operating for many years and is regularly inspected during production to ensure that it is operating correctly. A quality ...

Matrices
Solve the system using matrices. Show all the row operations that you use. 3x-9y=30 2x+5y= -2

Science
In a home's central heating system when the room temperature measured by thermostat reaches a set value, the thermostat sends a message to the heater, and the heater switches off. These actions are an example of: A. a model. B. feedback. C. input. D. A process Is it B?

Science
A group of parts that work together is called. A. Technology B. Process. C. System. D. Feedback I think its C?

american goverment check answers
1. Which of the following does Congress have the authority to do based upon the Constitution? (1 point) tax church services regulate local property tax regulate shipping licenses for vessels operating on rivers between states tax the sale and consumption of oranges exported to...

Science
2. Your friend John complains about his poor grades. You go to his house to study one day. The only place John has to study is at the kitchen table. While you are there, his younger brothers run through the kitchen screaming over and over again. What advice would you give ...

physics
Two particles A and B of respective masses M(B) and M(A) are connected together by means of an inextensible string of negligible mass. The string passes over the groove of a pulley of negligible mass. At instant to=0 the system S(pulley,mass,string) is left without initial ...

History
Hello, I really need help i used another site and they gave me the wrong help and now i have a really low grade. i have 10 questions 1- Jericho's status as the first city with a wall indicates that A-it was the first city built during old stone age B-it was the first time ...

Social Studies
Which of the following was one of the influences of the Roman Republic on the framing of the constitution? A. A centralized gov. that provides for more order. B. Elected representatives who are the voice of the people. C. A judicial system that is controlled by the people D. A...

History
8. Which of the following idenetifies important advances in learning made by ancient Egyptians? (1 point) A.hieroglyphs, knowledge of the human body, and geometry B. Cuneiform, advanced farming techniques, and pyramids C. Knowledge of surgery, creation of legal code, and a ...

Government
1: how does someone become a member of the supreme court?(1 point) > by popular election and senate approval*** >by judicial appointment and presidential approval >by presidential appointment and senate approval >by senatorial appointment and judicial approval 2: ...

Algebra
Solve the system by elimination 2x+3y=4 5x+6y=7

Algebra
System of equations for -6=Ab^-3 -18=Ab^2

Algebra
Consider the following system of equations. Solve and write as a coordinate point. 5x+4y=-14 3x+6y=6 Please help and thanks

Influential Ideas and Events Quiz( Check Answers)
(The sign "*" means that's my answer I chose for the question) Part A What is the basic independent unit of world politics? a) country b) province c) nation* d) organization Part B Which of the following groups is an example of the basic unit you selected in the previous ...

CHECK MY ANSWERS American Government
*** By my answer Please check! 1. Which statement best describes the importance of the Magna Carta? (1 point) British judges should hold judicial power. Even the king must respect certain rights of the people.*** Federalism is the best form of government. Parliament should ...

physics
A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system at O. b) Calculate ...

physics
A puck is released on an air table inclined by 0.1rd with respect to horizontal. By applying the principle of conservation of the mechanical energy of the system ,calculate the velocity of the puck after 40 cm journey along a line of greatest slope.

physics
A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system at O. b) Calculate ...

physics
A homologous rod of mass M=20kg of length L=3m and of negligible cross-section rests initially on the horizontal ground chosen as a reference level for the gravitational potential energy. The rod is rotated about one end until it takes a vertical position . Calculate the ...

Science
A piece of unknown metal with a mass of 68.6 grams is heated to an initial temperature of 100 Celsius and dropped into 42 grams of water with an initial temperature of 20 Celsius in a calorimeter the final temperature of the system is 52.1 Celsius the specific heat of the ...

Algebra
Solve the system by elimination. X+y=4 X-y=-2 I can't figure this out please help

Calculus III
Topic: Quadric surfaces. I have two homework problems, and they are quite a doozy for me. So the point is, I am given details of a quadric surface on the Cartesian coordinate system, and thus have to use the data to construct an equation through it. ====================== Find...

Algebra2
Solve the system by substitution -x-y-z=-8 -4z+4y+5z=7 2x+2z=4

Algebra2
Solve the system by elimination. -2x+2y+3z=0 -2x-y+z=-3 2x+3y+3z=5

Trigonometry
How do I solve these linear system problems? I solved it many times but it never seems right. 1. x^2 + y^2 =9 2x - y = -6 2.x^2 - x -y =0 x - y = -3 3. 2x^2 - x - y = -1 3x + y = 5

Georgia History
1. Which of the following describes the Puritans? A) didn't have much success as planters B) made Sunbury into a thriving port*** C) came from the backcountry of Virginia D) came from Pennsylvania by way of North Carolina 2. Georgia’s slave code was modeled after the code ...

HISTORY
1. Which of the following describes the Puritans? (1 point) didn't have much success as planters made Sunbury into a thriving port came from the backcountry of Virginia came from Pennsylvania by way of North Carolina 2. Georgia’s slave code was modeled after the code for ...

physics
A remote controlled car. My 11 year old grandson, Danny, got a remote controlled car for his birthday. His older brother, Jay, has a set of physics tools, including a sonic ranger. Jay is a computer jockey and has figured out how to make the sonic ranger program show any ...

History
Please check my answers. Thank you! The colonies of New York, Pennsylvania, New Jersey, and Delaware were all part of which colonial region? Eastern Middle* New England Southern Question 2 (Multiple Choice Worth 4 points) (01.06 LC) Who would have written a secondary source ...

SOCIAL STUDIES (CHECK ANSWERS) ASAP
1. Which of the following responsibilities are held by the legislative, rather than the executive branch? Select two answers. A) writing and voting on new laws**** B) providing social programs to citizens C) selecting new judges for federal courts D) determining the budget of ...

chemistry
What effect does raising the temperature of the reaction chamber at a constant pressure have on the following reaction at equilibrium? 2NO2(g) N2O4(g) + heat A. The equilibrium shifts toward the reactants because the reverse reaction is endothermic. B. The concentration of NO2...

stats
Jason, a freshman at a local college, just completed 15 credit hours. His grade report is presented below. Course: Calculus, Biology, English, Music, P.E. Credit Hours 5, 4, 3, 2, 1 Grades C, A, D, B, A The local university uses a 4 point grading system, i.e., A = 4, B = 3, C...

Science
A pulley system having 5 pulleys is used to raise a 450N load. find the mechanical advatange and hence the effort if the efficiency is 75%

Science
in a homes central heating system when the room temperature measured by the thermostat reaches a set value the thermostat sends a message to the heater and the heater switches off These action are an examples of a

Social Studies CHECK ANSWERS
3. Which of the following sentences best describes the role of the United Nations in world affairs? A) it ensures that everyone follows treaties B) it maintains good relations and keeps discussions open*** C) it mediates conflicts and supports international projects D) it ...

Science
Which of the following reasons best explains why scientst need a standard measurement system

World History
Please check this. Thanks! Chandragupta’s construction of roads and harbors most clearly demonstrated the importance of what aspect of governance? Public services Trade regulations******** Redistribution of wealth Centralization of rule What was one characteristic that ...

History
Teotihuacan like other early urban civilizations was a. self sustaining and unconcerned with long distance trade as a result of its abundant food supply and specialization of labor b. controlled as an elaborate state sponsored trading system that stretched from present day ...

sciences
Assume you are starting a new research project from scratch, you are interested in one of the following proteins and want to purify this protein for biochemical characterization. Please choose one of the proteins below and write a one-page research proposal. Use BLAST to ...

Micoeconomics
What comparison can you make about a firm operating as a perfectly competitive and as a monopoly? Identify at least 7 characteristics of both market structures

Government
The Intolerable Acts led to most directly to which event? A. Stamp Act Congress B. Constitutional Convention C. First Continental Congress D. Second Continental Congress The Framers Included the Supremacy Clause in the Constitution for the purpose of? A. giving the federal ...

government
Please check my answers and correct me if I'm wrong. 1. In what way was the government of ancient Athens different from that of the United States? A. Athens was a direct democracy in which citizens voted on the law themselves *** B. Athens was an in oligarchy rule by the ...

Algebra2
Solve the system for 2x=3y=2 3x-5y=22

CHECK MY ANSWERS American Government
my answers have * next to them 1. A political system that separates the law-making and law-enforcing branches is called what? (1 point) a federal system a parliamentary system a presidential system*** a unitary system 2. Which of the following statements best describes a ...

History
what statement best describes the government relationship with England that was in the middle colonies A. Middle colonies were all established as royal colony B.each have a different system based on the charter agreed upon with the king of England C.The king of England only ...

Social Studies
1. The Middle Ages began with the collapse of the a. Renaissance b. Roman Empire c. Kingdom of Mali. d. Tang Dynasty 2. In the system of feudalism, who owns the land? a. vessels or knights b. peasants c. kings or lords d. priests 3. A lord's main duty toward the people who ...

Chemistry
When 1.5 grams of salt are added to 12.0 grams of water and the salt dissolves, what is the mass of the system?

chemistry
During a chemical reaction, if Q = K, what can be said about the reaction? A. The reaction still proceeds in both directions, but the net result is that the reactant and product concentrations do not change. B. The amount of product is always equal to the amount of reactant. C...

History
The Renaissance was characterized by a. creating military alliances with China b. rising interest in Roman and Greek antiquity c. the idea that religion was the basis of existence d. broadening recognition of the insignificance of the human experience e. an attempt to marry ...

Chemistry (equilibrium)
C2H6(g) <=> C2H2(g) + 2 H2(g) The ΔH° for the reaction above is +312 kJ. The system is initially at equilibrium. In which direction will the reaction shift in each of the following situations? e) The temperature is decreased. g) He is added at constant volume. h) ...

chemistry help
During a chemical reaction, if Q = K, what can be said about the reaction? A. The reaction still proceeds in both directions, but the net result is that the reactant and product concentrations do not change. B. The amount of product is always equal to the amount of reactant. C...

chemistry
Which statement describes a chemical reaction at equilibrium? A. The forward reaction happens slightly faster than the reverse reaction. B. The reaction has stopped because all reactants have been used up. C. The forward reaction happens at the same rate as the reverse ...

Science
1. A study was done to find if different tire treads affect the braking distance of an Army Jeep. The same road surface was used each time. Independent variable: Tire Treads Dependent Variable: Braking Distance 2. An experiment was performed to determine how the amount of ...

Science
One:the sI unit measure for length the meter-would be most appropriate when Two:The metric System Of measurement is based on the number Three: Scientists use SI because it allows them to compare data and communicate with each other about their results (true/False ~Mia

chemistry
To create a 0.1 M carbonate buffer pH = 10.2. You choose to use a combination of HCO3- / CO32-. This buffer system has pKa = 9.9.   a) Calculate how much you need to weigh in each of the sodium salts, NaHCO3 and Na2CO3, to create 1.0 L carbonate (with total concentration of ...

Technology
Which of the following describes the operating system? A - It commands and controls all of the hardware and other software applications ** B - It contains the circuitry that processes the information coming into the computer. C - It is one of the physical components of the ...

geography
Which items are examples of human-environmental interaction? coal mines the interstate highway system meteor showers oil deposits shopping malls

Chemistry
Using a closed system experiment will a leak during gas evolving reaction overstate or understate the amount of sodium bicarbonate in an alka seltzer cold tablet?

Check my answers in history PLZ
Who is "they" referred to in the following quotation? They also established a number system based on six, dividing the hour into 60 minutes and the circle into 360 degrees, as we still do today. A)The Akkadians B)The Sumerians* C)The Babylonians D)The Assyrians 2. What is one ...

9th grade algebra
Can you explain how to find the solutions to the following system of equation problems? Graph f(x) and g(x) to find the solution to the equation f(x) = g(x). Approximate the answer when necessary. 1. f(x) = -2/3x +4 and g(x)= x - 6 Ans: Step1 graph lines. f(x) has y-int of 4 ...

Social Studies
Which of the following statements best describes a federal system of government? Independent states form an alliance and give up clearly defined and limited powers to a national government. The national government holds all power, creating and abolishing local governments as ...

History
Please check my answers please. Thank you! 1. The U.S. economy is a free enterprise system. True* False 2. Work you do for pay is called a _____. service industry diverse workforce job* volunteer job 3. When there are many people seeking the same job, this is known as a _____ ...

science
which of the following is an example of a model? a. The solar system b. a globe c. a planet d. a padlock Thanks!

information and technology
c) Describe each of the computer specifications listed below i. Intel Core 2 Duo T6670 (2.2GHz,2MB L2 cache) ii. 15.6 HD Anti-Glare (1366x768) iii. 2 GB DDR3 1066 MHz 1DIMM iv. 320 GB 7200RPM v. DVD+/- RW vi. Loaded Operating system Windows 7 vii. Wireless 802.11 b/g/nm BT, ...

physics
How much force will be required to move a seesaw system which is balanced with 50 kg weight on both side to move it 4 centimeter towards up and down side (linear motion).

physics
How much energy will be required to move a balance system to move it 4 centimeter towards up and down side (linear motion).

physics (Simple harmonic motion)
In a horizontal block-spring system,the block mass is m=0.5kg and the spring constant is k =2N/m. At t1=0.1s the block velocity is +0.263m/s and the acceleration is -0.216m/s2. Assuming that the system is undergoing SHM.Write the expression for block displacement from ...

physics
a diver of mass 60kg stands on the end of a diving board of mass 30kg and length 2m. calculate the force exerted by the spring 30 cm away from the pivot. (i think that the force asked is 300N since W=mg (30×10)) hence, calculate the upward reaction force at the pivot and ...

Social studies please help :) thank u so much!
what is one of the values revealed through the indian epics A: the equality of men and women B: the importance of duty over personal desires C: the superiority of the nobility D: the knowledge gained through war and conquest How did geography affect where ancient peoples ...

Technology
Before Katie turns in the paper she typed she wants a peer to review it and give her feedback. Katie uses her all in one printer to scan her edit,prints, and send them to her friend. An all in one printer is 2 answers Input device •• Output device •• Data storage ...

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