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October 1, 2014

Homework Help: Computers: Operating Systems

Recent Homework Questions About Operating Systems

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Science!
An oven is a technological system. Which of the following describes an input into this system? A. Setting the temperature B. Burning gas releases heat. C. A thermostat monitors the temperature and increases the gas flow when the temperature falls too low. D. A cake is baked Is...
Tuesday, September 9, 2014 at 6:10pm

Accounting 3
Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts $350,000 Factory machinery depreciation $55,000 Factory supervisor ...
Tuesday, September 9, 2014 at 5:11pm

Finance
Sammy's Shovels had sales of $ 58,247 in 2010. The cost of goods sold was $ 36,014 , operating expenses (excluding depreciation) were $ 18,361 , interest expenses were $ 2,198 , depreciation expense was $ 7,821 , and dividends paid were $ 3,228 . The firm's tax rate is...
Tuesday, September 9, 2014 at 3:13pm

Accounting 3
Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts $350,000 Factory machinery depreciation $55,000 Factory supervisor ...
Tuesday, September 9, 2014 at 1:55pm

Biology
17.Which one of the following statements is true regarding voluntary and involuntary responses? A.Voluntary responses control the activity of glands. B.Involuntary responses are part of the autonomic system. C.Voluntary responses originate in the sensory receptors. D....
Tuesday, September 9, 2014 at 12:50pm

Physics
a racing car reaches a speed of 44m/s. at this instandt, it behins a uniform deceleration using a parachute and a braking system, and comes to a rest 4.8s later. Find the acceleration of the car
Tuesday, September 9, 2014 at 10:03am

physics
A block of mass M slides along the smooth wedge mass M.what will be the acceleration of centre of mass of block and wedge system?
Tuesday, September 9, 2014 at 8:28am

Accounting 3
Wheeler’s Bike Company manufactures custom racing bicycles. The company uses a job order cost system to determine the cost of each bike. Estimated costs and expenses for the coming year follow: Bike parts $350,000 Factory machinery depreciation $55,000 Factory supervisor ...
Tuesday, September 9, 2014 at 12:12am

American History
The Whiskey Rebellion A. caused the formation of the Democratic Societies. B. unified northern merchants and southern farmers. C. led to the development of two distinct political groups. D. created a single party political system. C?
Monday, September 8, 2014 at 9:32pm

MODERN HISTORY/WORLD
Here is my ANSWER for the first part of the question .please tell me what do you think of it? did i do it correctly? question: 1. As industry spread, the British government initiated reforms to improve workers’ lives. What motivated reforms in Britain? What kinds of ...
Monday, September 8, 2014 at 6:40pm

world geography
Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. Student Answer: B Answer: Incorrect Reference: 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main cause of global deaths...
Monday, September 8, 2014 at 5:40pm

math
Identify the solution(s) of the system of equations, if any. 6x + 4y = 0 y = 3 - 3x (–3, –2) (–3, 2) (–2, –3) (2, –3)
Monday, September 8, 2014 at 4:40pm

Chemistry 2
Pure nitrosyl bromide, NOBr at 0.762 M is placed into a sealed vessel and heated up to 400 K. When the system reaches equilibrium, it is found that 65.1% of the nitrosyl bromide has decomposed to nitrogen monoxide and bromine. Determine Kc for this reaction at 400 K: 2 NOBr(g...
Monday, September 8, 2014 at 4:05pm

algerbra
Identify the solution(s) of the system of equations, if any. 6x + 4y = 0 y = 3 - 3x (–3, –2) (–3, 2) (–2, –3) (2, –3)
Monday, September 8, 2014 at 3:44pm

math
Identify the solution(s) of the system of equations, if any. 6x + 4y = 0 y = 3 - 3x
Monday, September 8, 2014 at 3:27pm

math
Identify the solution(s) of the system of equations, if any. x + 3y = 7 6x - 9y = 6
Monday, September 8, 2014 at 3:08pm

WOLRD GEOGRAPHY
9. Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. Student Answer: B Answer: Incorrect Reference: 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main cause of global ...
Monday, September 8, 2014 at 3:00pm

algerbra
Identify the solution(s) of the system of equations, if any. -4x - 4y = 4 12y = -12x - 12 no solution (0, -1) (-1, 0) infinitely many solutions
Monday, September 8, 2014 at 2:46pm

math
Consider the following system of equations. y = 2x - 2 y - 2x = 7 What can you conclude about the system of equations? The system of equations is inconsistent. The system of equations is dependent. The system of equations is independent. none of these
Monday, September 8, 2014 at 11:00am

WORLD GEOGRAPHY
9. Australian vegetation is dominated by various species of acacia and A. cacti. B. marsupials. C. ores. D. eucalyptus. 10. According to the World Health Organization (WHO), AIDS is listed as the _______ main cause of global deaths. A. eighth B. fourth C. third D. second 11. ...
Sunday, September 7, 2014 at 11:55pm

a level chemistry
two most abundant atmospheric gases react to a small extent at 298K in the presence of a catalyst to achieve dynamic equilibrium: N2(g) + O2(g) ->/<- 2NO(g) Kp= 0.30 Partial pressure of N2 and O2 = 0.78atm 1dm3 flask and equilibrium established after 30min. temperature ...
Sunday, September 7, 2014 at 8:03pm

Geography
Which of the following is true of the Antarctic Treaty System? A. It allows limited weapons testing of the continent. B. It encourages scientific research. C. Members came from the Antarctic Agreement. D. It limits restrictions of environmental controls. Pls help me I this is A
Sunday, September 7, 2014 at 7:49pm

check and see if correct
Which organ is NOT a part of the digestive system? A. Esophagus B. Gallbladder C. Kidneys D. Mouth My answer would be mouth
Sunday, September 7, 2014 at 11:49am

Physics
A charge q1 = 5.00nC is placed at the origin of an xy-coordinate system, and a charge q2 = -2.00nC is placed on the positive x axis at x= 4.00cm . If a third charge q3 = 6.50nC is now placed at the point x= 4.00cm , y= 3.00cm find the x and y components of the total force ...
Sunday, September 7, 2014 at 4:12am

physics
A spacecraft of mass 3.5 x 102kg was moving at 1.5 x 102ms-1 when its motor, operating at 8.4 x 102 kW fired for 5.0s Find the new velocity acquired by the spacecraft I dont know how to find the new velocity i found the work Power = w/t 840 x 5 = W 4200J = W Dont know what to ...
Saturday, September 6, 2014 at 10:06pm

Physics
1.A bus travels 400 m between two stops. It starts from rest and accelerates at 1.50 m/s^2 until it reaches a velocity of 9.00 m/s. The bus continues at this velocity and then decelerates at 2 m/s^2 until it comes to a halt. Find the total time required for the journey. 2.A 28...
Saturday, September 6, 2014 at 3:11am

Criminal justice
Research has continually shown that the most successful interventions concentrate first on _____ and then on improving: A. peer relations; academic mastery. B. improving parenting and the family system in general; peer relations and academic skills. C. school-based programs; ...
Friday, September 5, 2014 at 12:53pm

History
Why was redundancy trade, e.g., trading corn for corn and meat for meat, an important part of the Plains trading system?
Friday, September 5, 2014 at 12:10pm

Operating Systems
Given that main memory is composed of only three page frames for public use and that a seven-page program (with Pages a, b, c, d, e, f, g) that requests pages in the following order: a, c, a, b, a, d, a, c, b, d, e, f. Using the FIFO page removal algorithm, indicate the ...
Thursday, September 4, 2014 at 11:49pm

LA
Identify the main ideas of the paragraphs. My answers are in parentheses. It informs our history — New York City isn’t where it is because of dumb luck. Verrazzano and Hudson both stumbled into the greatest natural harbor on the Atlantic coast. Boston started as a ...
Thursday, September 4, 2014 at 10:17pm

Career Explorations - Please Check My Answer
Please help me with the following questions: Nichole has been a police dispatcher who answers 911 calls. After working in this position in the police department for a while, she decides that she wants to become a police officer. Nichole would like to change her A. job pathway...
Thursday, September 4, 2014 at 3:53pm

American History
I was given a cartoon but I cannot find it online to show you. Its a picture of the white house with a tape recorder on top. Its related to the Watergate Scandal. It asks how has the White House been modified in the picture, and what does that modification represent? I ...
Wednesday, September 3, 2014 at 5:51pm

Analytical CHM 300
which rating system gives the analyst the most information?
Wednesday, September 3, 2014 at 1:20pm

English
Identify the main ideas of the paragraphs. My answers are in parentheses. (Geography is essential to our education.) Not just knowing how to read a map, but at least a basic understanding of where countries, states and continents are located on a map. Yet the study of our ...
Wednesday, September 3, 2014 at 11:14am

math
Identify the solutions of the system of equations, if any. X+2y=7 3x-4y=6
Tuesday, September 2, 2014 at 8:03pm

Chemisty
A 5 μL drop of compound X, a 7 μL drop of compound Y, and a 15 μL of compound Z are placed in a closed container with 5 mL water and 2.5 mL air. The system is equilibrated at 25°C. Determine the fraction of the total X, Y, and Z mass associated with each of ...
Tuesday, September 2, 2014 at 9:10am

marketing
3. Now that we have discussed the concept of being customer oriented, let's discuss MARKETING ORIENTATION. Customer oriented practices are just one small piece of operating with a market orientation. Describe what market orientation means, and how you see that it differs ...
Monday, September 1, 2014 at 7:06pm

MAT222
-x+4y=4 x-4y=-4 the system has no solution the system has a unique solution: the system has infinitely many solutions they must satisfy the following equation: y=0 the answer is the system has many solutions i just don't know the answer to the equation y=?
Monday, September 1, 2014 at 2:56pm

MAT222
-x+2y=-2 x-2y=2 the system has no solution the system has a unique solution: the system has infinitely many solutions. they must satisfy the following equation: y= the answer is the system has infinitely many solutions. i just don't understand how to get the equation y=?
Monday, September 1, 2014 at 2:37pm

Accounting 2
Match each of the following steps that took place as Books on Wheels moved through the decision making, production, marketing, and sale of The Campus Cart with the correct phase of the management process: planning/organizing, directing/leading, and controlling. A. Planning/...
Monday, September 1, 2014 at 2:35pm

math
dentify the solution(s) of the system of equations, if any. 3x-2y=6 5x=5-25y
Monday, September 1, 2014 at 11:34am

algerbra
Identify the solution(s) of the system of equations, if any. -3x-4y=2 8y=-6x-4
Monday, September 1, 2014 at 11:09am

algerbra
Identify the solution(s) of the system of equations, if any. x=1 y=1
Monday, September 1, 2014 at 10:58am

algerbra
Identify the solution(s) of the system of equations, if any. 3x+2y=4 5x-4y=3
Monday, September 1, 2014 at 10:56am

algerbra
Identify the solution(s) of the system of equations, if any. -3x-4y=2 8=6x-4
Monday, September 1, 2014 at 10:40am

math
Identify the solution(s) of the system of equations, if any. -2x - 4y = 8 8y = -4x - 16
Monday, September 1, 2014 at 9:06am

algerbra
Consider the following system of equations. y = 4x - 4 y - 4x = 3 What can you conclude about the system of equations?
Monday, September 1, 2014 at 9:05am

Accounting 2
Match each of the following steps that took place as Books on Wheels moved through the decision making, production, marketing, and sale of The Campus Cart with the correct phase of the management process: planning/organizing, directing/leading, and controlling. A. Planning/...
Sunday, August 31, 2014 at 11:30pm

math
A 12 qrt. cooling system is checked and found to be filled with a solution that is 40 % antifreeze. The desired strength of the solution is 60% antifreeze. how many quarts of solution need to be drained and replaced with pure antifreeze to reach the desired strength.
Sunday, August 31, 2014 at 11:07pm

physics
A mass of 9 kg while descending vertically down, drags up a mass of 6 kg by means of a string passing over a smooth pulley . find the acceleration of the system and tension in the string
Sunday, August 31, 2014 at 12:25am

chemistry calculations
At 25 deg C, Kc is 5.84x10-3 for the dissociation of dinitrogen tetraoxide to nitrogen dioxide. N2O4(g) ==== 2NO2(g) a) Calculate the equilibrium concentration of both gases when 4.00 grams of N2O4 is placed at 2.00-liter flask at 25 deg C. b) What will be the new equilibrium ...
Saturday, August 30, 2014 at 11:20pm

Geographic information system
How would you find the answer to this? Assume that two two-by-two source rasters contain the following values: Raster 1: 7 14 10 36 Raster 2: 5 2 2 5 What would be the sum of all pixel values in the raster that would be created using the following map algebra expression? ...
Thursday, August 28, 2014 at 1:47pm

Science
which statement best describes the benefit of having a universal system of measurement? A. Scientists from different counties can more easily shared and compare data from experiment. B. Scientists who speak difference languages do not have to translate each others work into ...
Thursday, August 28, 2014 at 10:18am

Science
which statement best describes the benefit of having a universal system of measurement? A. Scientists from different counties can more easily shared and compare data from experiment. B. Scientists who speak difference languages do not have to translate each others work into ...
Thursday, August 28, 2014 at 9:03am

finance
The One Cafe has an operating cash flow of $78,460, a depreciation expense of $8,960, and taxes paid of $21,590. What is the amount of the cash flow from assets? A partial balance sheet is as follows: Beginning Balance Ending Balance Current assets $141,680 $138,509 Net fixed ...
Thursday, August 28, 2014 at 8:03am

Math
Use substitution to solve the system. 3x+5y=21 y=2x-1
Wednesday, August 27, 2014 at 3:23pm

English 11
I put a * next to my answers. 1. The Jamestown settlers saved their colony by planting (1 point) a. maize. b. cotton. *c. tobacco. d. wheat. 2. “Our capital town is advanced to about 150 very tolerable (satisfactory) houses for wooden ones; they are chiefly on both the ...
Wednesday, August 27, 2014 at 11:33am

Science
which statement best describes the benefit of having a universal system of measurement? A. Scientists from different counties can more easily shared and compare data from experiment. B. Scientists who speak difference languages do not have to translate each others work into ...
Wednesday, August 27, 2014 at 9:29am

accounting
Westchase Supplies reported sales of $5,000,000, cost of goods sold of $3,200,000, operating expenses of $1,400,000 and income tax expense of $160,000 for the year What was the company’s net income for the year?
Tuesday, August 26, 2014 at 11:36pm

Science
Turning on the switch in a flashlight starts a chemical reaction in the batteries. The chemical energy is turned to light energy and the flashlight lights up. Which part of this system is an example of a process? A. Turning on the switch is a process. B. The conversation of ...
Tuesday, August 26, 2014 at 3:37pm

physics
boy weighting 30 kg is riding a bicycle weighting 50 kilograms if the bycycle is moving at a speed of 90 kilometres per hour towards the west find the linear momentum of the bycycle boy system in s i units
Sunday, August 24, 2014 at 9:44am

Phsical Science
Other than familiarity, what is the advantage of the English System of measurement?
Saturday, August 23, 2014 at 11:35pm

Physical Science
The standard unit of length in the metric system is based on what.
Saturday, August 23, 2014 at 11:30pm

MATHH#2
find the solution to system by the substitution method. y=2x+5 y=3x The answer is(5,15). Just don't know how the professor got that answer.
Wednesday, August 20, 2014 at 4:08pm

math
On a coordinate system, the segment joining the points (3,8) and (9,16) has the same midpoint as the line segment joining the points (8,11) and (x,13). What is the value of x? I think x=3
Wednesday, August 20, 2014 at 12:56pm

Fundamentals of Business Financial Management
Your program plans to acquire a total of 600 end items costing $570 million over a five-year period. The first production contract is to be awarded in FY04. The number of items to be procured (not delivered) each year and their estimated cost (in then-year dollars) is shown ...
Tuesday, August 19, 2014 at 1:00pm

Physics
A 50 kg box rests on a smooth frictionless table. Connected to the box is a light string passing through a pulley at the end of the table. Suspended on rhe other end of the string is a 20 kg box. Find a) acceleration of the system, b) the tension in the string c) the ...
Tuesday, August 19, 2014 at 12:19pm

Teaching in Early childhood progras
1)When children rely on outside controls to guide their actions, they're operating at the _______ level of self-regulation. A. adherence B. amoral C. internalization D. identification 2)Which statement most accurately describes the Developmentally Appropriate Practices ...
Monday, August 18, 2014 at 8:58pm

physics
A system has three masses, a 10kg mass is lying on a level surface and is connected on the left to a 6kg mass by a cord passing over a massless,frictionless pulley.And on the right, it is connected to a 9kg mass by a cord also passing over a frictionless,massless pulley. The ...
Monday, August 18, 2014 at 7:15am

Health Part 2
People living with HIV can have a longer and healthier life by ________. A. Joining a support group B. Taking their medicines C. Learning as much as possible about HIV and available treatments D. All of the above I'm guessing D? What percentage of all infertile American ...
Sunday, August 17, 2014 at 3:56pm

computers
Which vendor did IBM select to create the operating system for the IBM PC
Sunday, August 17, 2014 at 3:34pm

PHYSÝC
One end of a metal rod is in contact with a thermal reservoir at 745 K, and the other end is in contact with a thermal reservoir at 105 K. The rod and reservoirs make up a closed system. If 7030 J are conducted from one end of the rod to the other uniformly (no change in ...
Saturday, August 16, 2014 at 11:18am

log 101
An 80% learning curve has been observed for the production of the MEERKAT system. If the 5th production unit''s recurring cost is $1 million, what will be the recurring cost for the 10th production unit? Assume that the production line is continuous and that the ...
Friday, August 15, 2014 at 12:17am

history
9. The politicians who met at the Hartford Convention in 1814 A. recommended changes in the Constitution. B. were mainly concerned with increasing trade with Britain. C. favored secession from the Union. D. represented the interests of the cotton-growing states. Student Answer...
Thursday, August 14, 2014 at 12:03pm

Algebra
nathan wants to go to a hockey game with friends. Tickets are $18, but students can get discounted tickets for $12. They want to spend no more than $80, including $8 for parking. The vehicle they will take can only hold 7 people. Write and graph a system of four inequalities ...
Thursday, August 14, 2014 at 11:32am

Complex Numbers
The system of equations |z - 2 - 2i| = \sqrt{23}, |z - 8 - 5i| = \sqrt{38} has two solutions z1 and z2 in complex numbers. Find (z1 + z2)/2. Im really just plain old confused. Could anyone help me out?
Wednesday, August 13, 2014 at 8:02pm

Accounting
On October 10, 2010, Mason Engineering Company completed negotiations on a contract for the purchase of new equipment. Under the terms of the agreement, the equipment may be purchased now or Mason may wait until January 10, 2011, to make the purchase. The cost of the equipment...
Wednesday, August 13, 2014 at 3:13pm

mathhhhhhh!
Find the solution to the system by the substitution methond. y=4x-4 y=5x a.(1,0) b.(-4,-20) c.(4,0) d.(-3,-15) (Im confused !!!please explain to me how get the answer)!
Monday, August 11, 2014 at 11:50pm

math
Find the solution of the linear system. x + y + z = 0 −x + 2y + 5z = 6 3x − y = 12 (x, y, z)= ???
Monday, August 11, 2014 at 7:44pm

physics
A fight aircraft needs to emergency land due to engine breakdown. The pilot can control the approach velocity to 250 km/hr when the aircraft tires touch the ground. The best deceleration of its braking system is 10 m/s2 . How long will the runway is required for a safe landing?
Monday, August 11, 2014 at 3:52pm

business
1. On the income statement, extraordinary items are reported A. immediately after the continuing operations section. B. before the operating income section. C. immediately before the discontinued operations section. D. net of income tax or net of income tax savings. 2. _______...
Monday, August 11, 2014 at 10:55am

math
solve the following system of the equations using matrices 10x-5y=4 7x+y=10
Monday, August 11, 2014 at 12:03am

Help Please!!!!
The oral evacuation system is held with the _______ grasp. A. thumb-to-nose B. palm C. thumb-ring D. pinky-to-nose I said B and was wrong. Thank you!
Saturday, August 9, 2014 at 11:28pm

biology
If a microscope has a 40× objective lens in place and a 15× eyepiece lens, the magnification of the system under these conditions is
Wednesday, August 6, 2014 at 2:47pm

reading
may cause drowsiness alcohol may intensity this effect. use oare when operating a car or dangerous machinery.which of the following is logical conclusion based on
Wednesday, August 6, 2014 at 7:06am

college physics
What is the force applied in the direction of the wire at a point attached to the patient in a traction system, if the mass applied is equal to 5kg?
Tuesday, August 5, 2014 at 4:04am

Human Resources
3. Design a Pilot Test. Following are descriptions of three situations in which a test has been developed. Read each situation and then design a pilot test. Answer the following questions about the pilot test: a. Who will take the test? b. What information will you gather, and...
Tuesday, August 5, 2014 at 12:19am

pol week 2 quiz
The basis for national power lies in (Points : 1) the Interstate Commerce Clause only. the Supremacy Clause and the Treaty Clause only. the Treaty Clause and the Interstate Clause only. the Interstate Commerce, Supremacy, and Treaty Clauses. Question 2. 2. In Cooperative ...
Monday, August 4, 2014 at 6:36pm

operating system
what is the difference between deadlock and stravation
Monday, August 4, 2014 at 7:35am

Chemistry
A solution made up of 1.00 M NH3 and 0.500 M (NH4)2SO4 has a pH of 9.26. a. Write the net ionic equation that represents the reaction of this solution with a strong acid. b. Write the net ionic equation that represents the reaction of this solution with a strong base. c. To ...
Sunday, August 3, 2014 at 3:58pm

physics
two masses are attached to both ends of a flexible cord passing through a friction less pulley. if the system is at rest, find the tensions at object A and object B. Object A = Object B. A=60 grams.
Sunday, August 3, 2014 at 8:03am

science
Consider a rotating platform such as you used in lab. Imagine that it is initially rotating at some angular velocity. You drop a disk, that is not rotating, onto the top of the rotating platform so that it sticks to the rotating platform and begins rotating along with the ...
Friday, August 1, 2014 at 8:55am

Chemistry
For :H2O(g) --> H(g) + OH(g); At 3000K and P(total)=1.00 atm, from your K value calculate system composition from 1.00 mol H2O(g) and no products initially. The K I got (using Delta G superscript zero = [Delta H superscript zero]-[T* Delta S superscript zero)=]) was 9.5x10...
Thursday, July 31, 2014 at 11:24pm

Re-write this sentence
It is impossible that the allied powers should extend their political system to any portion of either continent without endangering our peace and happiness. This sentence gives a hint of a threat. I have to re-write the sentence and state the threat directly. Idk how to do ...
Thursday, July 31, 2014 at 11:12am

Science
Adam suffers from severe emphysema. Gas exchange in his lungs is not adequate, and he requires supplemental oxygen. But even though his blood carbon dioxide levels are elevated, his blood pH is close to normal. Considering the urinary system, explain how this can occur.
Wednesday, July 30, 2014 at 6:33pm

Chemistry
DECOMPOSITION OF NO2 (10/10 points) The decomposition of NO2 at room temperature exhibits the following variation in concentration with time: The concentration of NO2 is expressed in mol/liter, while time is expressed in seconds. [NO2] ln[NO2] 1/[NO2] Time (s) 0.0831 -2.4877 ...
Wednesday, July 30, 2014 at 9:57am

Math
solve the following system of equations using matrices 4x-2y=7 7x+y=13
Tuesday, July 29, 2014 at 10:10pm

PHI 208 final exam
1. According to the video “Religion, War, and Violence,” Just War Theory asserts that military intervention 2. According to Glaucon, justice is based on 3. What is palliative care? 4. According to Tom Regan, what is fundamentally wrong with our current system 5. On ...
Sunday, July 27, 2014 at 9:03pm

Math
How would I find the solution set for a system of linear inequalities? For example, x-3y<10 3x-2y≥5
Sunday, July 27, 2014 at 5:00pm

Biology
Which of the following is the purpose of valves in the venous circulatory system? A. Promoting movement of oxygenated blood toward the heart B. Facilitating stasis of blood in the veins C. Propelling blood through the vena cava D. Preventing backward flow of deoxygenated blood...
Sunday, July 27, 2014 at 4:58pm

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