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July 31, 2014

Homework Help: Computers: Computer Science

Recent Homework Questions About Computer Science

Post a New Question | Current Questions

computer
A user call your help desk to report that the files on her USB stick do not have any permissions associated with them and therefore aren't secure. Why is this?
Sunday, January 19, 2014 at 11:02pm

Science
1. Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse* a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1 point) A lunar eclipse can...
Sunday, January 19, 2014 at 6:30pm

Science
1. Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse* a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1 point) A lunar eclipse can...
Sunday, January 19, 2014 at 4:58pm

science
transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.
Sunday, January 19, 2014 at 3:48pm

english
I need help paraphrasing this paragraph. Because addiction treatment aims to change deeply embedded habits, relapse can be part of the process. However, this is a well-known feature of diabetes, hypertension, asthma, and other chronic diseases with treatment plans that depend ...
Sunday, January 19, 2014 at 3:15pm

Science help asap 2 questions!!!
4. Which of the following describes an example of a potentially invasive species? (1 point) Fruit covered with fruit fly eggs is trucked from Mexico to Canada. Racehorses are shipped by boat from New York to London. Coffee beans in burlap bags are flown from Africa to the U.S...
Sunday, January 19, 2014 at 2:32pm

maths, physical science , life science , geography
Hi I am in grade 10 , I am doing maths physical science, life science and geography, what jobs can I get into with those subjects
Sunday, January 19, 2014 at 12:45pm

SCIENCE 1 QUESTION PLS HELP ASAP
Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate salt, oyster B) Lake, ...
Sunday, January 19, 2014 at 9:43am

Science
2 forces of 5N&7N respectively act on an object. (a) When will the resultant of 2 vectors be at a maximum? (b) When will the resultant of the 2 vectors be at a minimum?
Sunday, January 19, 2014 at 12:33am

SCIENCE 1 QUESTION PLS HELP ASAP
Select three words that belong together. To do this pick one word from each of the three sets below: Set 1: Estuary, Lake, Neritic Zone Set 2: High Salt, Intermediate Salt, No Salt Set 3: Trout, coral, oyster Answer choices: A) Neritic zone, intermediate salt, oyster B) Lake, ...
Saturday, January 18, 2014 at 10:09pm

SCIENCE PLS URGENT 1 QUESTION ASAP!!!!!
8. Chromosome pairs contain different versions of genes, which are called __________________. (1 point) is it base? is it dna? is it alleles? help asap!!!??
Saturday, January 18, 2014 at 4:18pm

science
Two pure bred strains of peas are crossed: wrinkled, yellow x round, green. All the offspring are round, yellow. These offspring were self-crossed and their progeny produced four different phenotypes. For this question assume the random assortment of two unlinked genes. See ...
Saturday, January 18, 2014 at 3:41pm

science
The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellow-flowered tree was self-crossed. ...
Saturday, January 18, 2014 at 3:40pm

science
The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellow-flowered tree was test-crossed. ...
Saturday, January 18, 2014 at 3:40pm

science
The Australian grass tree, from the genus Xanthorrhoea in the lily family, grows to a height of about 4.5 m, bears long narrow leaves in a tuft at the top of the trunk, and produces yellow or white flowers in a spike above the leaves. A yellow-flowered tree was self-crossed. ...
Saturday, January 18, 2014 at 3:38pm

science
Sperm from a pure breeding big brained mouse is used to fertilize the eggs of a pure breeding small brained mouse. A monohybrid cross of the F1 individuals produces 221 big brained mice and 89 small brained mice (recall that a monohybrid cross refers to selfing or crossing ...
Saturday, January 18, 2014 at 3:36pm

science
transmission electron microscope compound (light) microscope scanning electron microscope field scope dissecting microscope Arrange the five types of microscopes in order from lowest resolution to highest.
Saturday, January 18, 2014 at 3:21pm

Science - 6th grade : CHECK MY ANSWER
Which of the following sets of terms is associated with air pollution caused by burning fossil fuels 1.acid rain, ozone hole, skin cancer 2.methane, smog, carbon dioxide 3.sulfur dioxide, smog, chlorofluorocarbons 4.carbon dioxide, smog, acid rain MY ANSWER: Is the answer: 4....
Saturday, January 18, 2014 at 11:16am

Science
A string of an instrument is stretched between two points 25.0 cm apart with a tension of 65.0 N. The mass/length of the string is 4.00x10-3 kg/m. The frequency of the mode of vibration with the lowest frequency (the first harmonic) is
Saturday, January 18, 2014 at 2:33am

Science
Which of the following is the most effective way to preserve biodiversity? A. Captive breeding B. Habitat destruction C. Habitat preservation D. Habitat fragmentation Can you please help? I know its not A or B. Is the answer C? Thanks.
Friday, January 17, 2014 at 9:09pm

Earth Science
Silver has a density of 10.5 g/cm cubed, and gold has a density of 19.3 g/cm cubed. Which would have the greater mass, 5cm cubed of silver or 5 cm cubed of gold?
Friday, January 17, 2014 at 6:29pm

science help plzzz
1. Which of the following statements best defines tides? (1 point) when waves get bigger because of an approaching storm the rise and fall of ocean water that occurs about every 12.5 hours the rise of ocean water that occurs 12 times a day a giant wave that can be extremely ...
Friday, January 17, 2014 at 5:29pm

Science
I really need help, what kind of renewable energy is used for hot water? I know that Geothermal heat pumps can be used to heat a house up, but what can create hot water? Thanks.
Friday, January 17, 2014 at 4:28pm

algebra
A science teacher has a supply of 50% sugar solution and a supply of 80% sugar solution. How much of each solution should the teacher mix together to get 105 mL of 60% sugar solution for an experiment ?
Friday, January 17, 2014 at 1:15pm

science
Suppose all of the apples have a mass of 0.10 kg. If one of the apples in the bowl (C) is 1.0 meter above the ground, what is its potential energy?
Friday, January 17, 2014 at 9:50am

science
tell what you believe would happen if the earth suddenly stopped spinning and you were in the part of the world that had sunlight 24 hours a day. Include such things as how this would affect your sleep, work, school and crime.
Friday, January 17, 2014 at 7:06am

science
Tell what you believe would happen if the earth suddenly stopped spinning and you were in the part of the world that had 24 a day.Include such things as how this would affect your sleep, work, school and crime?
Thursday, January 16, 2014 at 10:45pm

science/math
A car traveling at the speed of 30.0 m/sec encounters an emergency and comes to a complete stop. how much time will it take for the car to stop if its rate of deceleration is -4.0 m/sec
Thursday, January 16, 2014 at 9:17pm

Science - 7th grade
Is radiation damaging to the health of humans? If so, in what way/ways? My answer is: Yes, radiation though helpful in treating certain diseases is damaging to the health of human beings in many ways one of which being that it mutates our DNA and is unhealthy. It can also make...
Thursday, January 16, 2014 at 9:01pm

Science?
I'm doing a science experiment where I have to light an object on fire to do the experiment.. It can't be oil or electrical fire. So I need some objects I can light on fire. Such as a candle. But I can't use this one
Thursday, January 16, 2014 at 8:10pm

Science
Relationship between heredity and traits
Thursday, January 16, 2014 at 6:12pm

SCIENCE(CHECK ANSWER)
how does the use of a golf club make it easier to move a golf ball from its starting position to a hole 250 yards away? A.the golf club reduces the distance over which the input force is applied B.the golf club reduces the input force needed.(I PICKED THIS) C.the golf club ...
Thursday, January 16, 2014 at 6:08pm

science
check answers 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j (I PICK THIS) D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600.0n of force to the wood. What is the ...
Thursday, January 16, 2014 at 5:13pm

science !!! help
please answer these 4 questions about since I know nothing about this. 1. A box of cleaning supplies weighs 15n.if the box is lifted a distance of 0.60m,how much work is done? A. 0.040 j B.9 j C.14 j D.25 j 2.to chop wood you apply 50.0n of force to an ax. The ax applies 600....
Thursday, January 16, 2014 at 4:55pm

science/writing
How are stink bugs harmful to crops?
Thursday, January 16, 2014 at 3:53pm

Tech Ed
How can simulations be used in education? A.They allow people to touch a real item through the computer B.They provide a realistic experience that students may not get in real life C.They substitute games for learning D.They make games real My answer B?
Thursday, January 16, 2014 at 1:36pm

science help asap!!!
Hi, can someone check my answers asap!!? i am on a deadline!! 1. What doe the notation TT mean to geneticists? (1 point) two dominant alleles heterozygous alleles at least one dominant allele one dominant and one recessive allele 2. An organisms genotype is (1 point) its ...
Thursday, January 16, 2014 at 1:12pm

Maths lits,business studies,life science,geography
Hy,i jst want to ask what i could become if i do these subject
Thursday, January 16, 2014 at 10:26am

science
what steps in meiosis are similar to steps of mitosis
Thursday, January 16, 2014 at 10:12am

science
disturbance of an ecosystem by human activity often has negative effects on the number of species, which is a measure of its
Thursday, January 16, 2014 at 10:04am

Earth Science
Analogy: melting is to freezing as partial melting is to _______? a. partial freezing b. magma. c. boiling. d. fractional crystallization.
Thursday, January 16, 2014 at 9:24am

life science
define the name molecul?
Thursday, January 16, 2014 at 2:33am

Subjects
Wat is life science?
Wednesday, January 15, 2014 at 8:00pm

science... PLEASE HELP!
What are 5 examples of oganisms that are in the Prostista Kingdom?
Wednesday, January 15, 2014 at 4:54pm

Science
I really need help in Science. Right now in science we are doing renewable energy. For the assignment we have two choices, a house or car of the future, I decided to do a house. The question is, "How could renewable energy sources be used in a house?" For the house ...
Wednesday, January 15, 2014 at 4:29pm

science
IS PLUTO A PLANET??????????????????????????????????​????????????????????????????????????????​????????????????????????????????????????​????????????????????????????????????????​????????????????????????????????????????​...
Wednesday, January 15, 2014 at 3:24pm

Science
Which of the following statements is most closely associated with Einstein's general theory of relativity? The gravitational constant has the same value everywhere. Mass is equivalent to weight. Being in an accelerated frame is indistinguishable from experiencing gravity. ...
Wednesday, January 15, 2014 at 12:48pm

science
1.Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? -a solar eclipse -a lunar eclipse -a total lunar eclipse -a penumbra 2.Which of the following statements about a lunar eclipse is true? -A lunar eclipse can occur when the ...
Wednesday, January 15, 2014 at 11:39am

Science
1.Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? -a solar eclipse -a lunar eclipse -a total lunar eclipse -a penumbra 2.Which of the following statements about a lunar eclipse is true? -A lunar eclipse can occur when the ...
Wednesday, January 15, 2014 at 9:57am

Science
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer: increasing TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and ...
Wednesday, January 15, 2014 at 8:36am

SCIENCE HELP PLEASE PLEASE
Post a New Question Current Questions Homework Help: Science. NEED HELP PLEASE Posted by Kalie on Tuesday, January 14, 2014 at 11:04pm. Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while ...
Wednesday, January 15, 2014 at 7:59am

Science. NEED HELP PLEASE
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer:TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and eggs is placed...
Tuesday, January 14, 2014 at 11:04pm

Science
Can someone check if these are right: Tell the reaction rate 1.)Question: one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. Answer:TEMPERATURE 2.) Question: a mixture of baking powder, flour, sugar, and eggs is placed...
Tuesday, January 14, 2014 at 10:43pm

Science
What is the radius in nm of the electron orbit of a hydrogen atom for n=3? What is the radius in nm of the electron orbit of a hydrogen atom for n=4?
Tuesday, January 14, 2014 at 7:44pm

science
Mercury, a metal that is liquid at room temperature, has a density 13.5 times the density of water. How many pennies could your boat hold if we were floating it in mercury instead of water?
Tuesday, January 14, 2014 at 7:38pm

science
describe the ecological succession that would take place in an open field of grass.
Tuesday, January 14, 2014 at 7:27pm

8th Grade Earth Science Help?
Which of the following terms refers to the time it takes for one-half of the radioactive atoms in a sample of a radioactive element to decay? - relative age - absolute age - potassium-argon data - half-life** Is my answer correct?
Tuesday, January 14, 2014 at 7:05pm

Science
Geologists use radioactive dating to... - determine the relative age of rock layers. - tell the difference between molds and casts. - tell where one soil horizon begins and the next one ends. - determine the absolute ages of rocks. I think it is to determine the absolute ages ...
Tuesday, January 14, 2014 at 6:15pm

Science
Have to answer these in a reflection. Help? How has science evolved over time? How is human ingenuity portrayed in sciences? In what ways have humans shaped science? In what ways has science shaped our lives? What would the world be like without science? In what way has ...
Tuesday, January 14, 2014 at 6:07pm

Physical Science HELP
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...
Tuesday, January 14, 2014 at 6:04pm

Physical Science
Can someone check if these are right: Tell reaction rate 1.) one antacid tablet is placed in a glass of cold water, while another table is placed in a glass of hot water. TEMPERATURE? 2.) a mixture of baking powder, flour, sugar, and eggs is placed in the oven. TEMPERATURE? 3...
Tuesday, January 14, 2014 at 5:41pm

science
during which month will Europe and Africa each have equal amounts of sunlight. a. march b. june c. decemeber d. january
Tuesday, January 14, 2014 at 4:07pm

Science/math
If Greenland ice sheet melted, approximately how much would the sea level rise worldwide? (1 meter =3.28 feet) a. 500 feet b. 16.4 feet c. 50 feet d. 164 feet
Tuesday, January 14, 2014 at 2:27pm

SCIENCE HELP JUST 2 QUESTIONS!! PLZZ HELP! :)
1) Identify the systems of your body, and explain how these systems work together. 2) Describe the flow of blood to the human body, including through each of the four chambers of the heart. Explain how the blood changes as it moves through the various locations in the body.
Tuesday, January 14, 2014 at 1:56pm

science
all of the following are explanations for glacial periods EXCEPT. a. varying solar energy b. volcanism c. biological organisms d. Earth's orbit's precession
Tuesday, January 14, 2014 at 1:27pm

Science
1. Over time, a particular plant has developed a longer stamen. Which of the following is a possible advantage of having a longer stamen? A. A longer stamen could ensure that an insect brushes against an another and picks up pollen. B. A longer stamen could ensure that the ...
Tuesday, January 14, 2014 at 12:50pm

Science
Two unlike vertical forces of 10N and Q N act at apoint A and be respectively where AB is horizontal and the length of 3m . The resultant of the 2 forces is a force of P N which acts at a point of X on the line of BA reduced such that AX is 4.5m.find P and Q
Tuesday, January 14, 2014 at 4:41am

science
What mass of AgN03 would you dissolve in water to get 1g of silver?
Monday, January 13, 2014 at 9:38pm

science (ipc)
describe using bernoulli's principle, how roofs are lifted off buildings in tornadoes
Monday, January 13, 2014 at 8:31pm

Math help plz..
Joe wants to fence a rectangular pen for his goats. The length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? (1 point) Terry has completed 15 ...
Monday, January 13, 2014 at 7:50pm

Science
Which of the following traits is acquired? a) the number of petals that grow in a plant's flowers b) the wing shape of a wild bird c) the ability of some gorilla's to use sign language d) a cheetah's ability to run faster than any other land animal The height of a ...
Monday, January 13, 2014 at 7:32pm

Math- Systems of equations and inequalities
Joe wants to fence a rectangular pen for his goats. The length of the pen should be at least 60 ft, and the distance around should be no more than 260 ft. Which system of inequalities and graph represent the possible dimensions of the pen? (1 point) Terry has completed 15 ...
Monday, January 13, 2014 at 7:28pm

Computers
You have administrative rights to your computer running windows 7. You cannot find some of the operating system files on your system volume. What to do to make the appear? A. Uncheck hide protected operating system Giles in folder options. B. Uncheck hide protected operating ...
Monday, January 13, 2014 at 7:27pm

Math
Can someone check these inequality word problems to see if I did them right? Correct me if I'm wrong! Write a linear inequality using word problems. 2. Zenaida is celebrating her birthday at a local pizza parlor. The all you can eat meal costs $8 per adult and $5 per child...
Monday, January 13, 2014 at 6:30pm

science... PLEASE HELP!
Within which group would all members show the greatest similarities: Phylum kingdom genus Or species?
Monday, January 13, 2014 at 4:20pm

Intro to Computers
You are setting up a desktop computer for an AutoCad specialist who needs a minimum of 125 GB of RAM. Which operating system below would be best-suited for his needs? A. Windows 8 Home 64-Bit Edition B. Windows XP 32-Bit Professional Edition C. Windows Millennium 64-Bit ...
Monday, January 13, 2014 at 4:19pm

Science
1. Which of the following can be expected to occur as climate change continues on Earth? (1 point) decreased melting of sea ice decreased migration of pests and pathogens increased freshwater sources increased coastal flooding 2. Which piece of children’s’ playground...
Monday, January 13, 2014 at 3:05pm

medical terminology/exercise science terminology
________ are typically used to block pain a.anesthetics b.antipruritics c.anticogulants d.analgesics my answer is a
Monday, January 13, 2014 at 12:18pm

medical terminology/exercise science terminology
how does the body adapt to aerobic exercise a.by increasing blood pressure when a person isn't exercising b.by increasing the heart rate when a person isn't exercising c.by decreasing the heart rate when a person isn't exercising d.by decreasing blood pressure when...
Monday, January 13, 2014 at 11:33am

medical terminology/exercise science terminology
which one of the following fitness tests is best for sedentary individuals a.one mile walk test b.strep test c.one -RM test d.cycle ergometer test my answer is d
Monday, January 13, 2014 at 11:26am

Science
What is an example of inbreeding? Please tell me.
Monday, January 13, 2014 at 10:46am

Science
Calculate the mass of calcium carbonate which decomposes to produce: 50g of calcium oxide and 5g of carbon dioxide
Monday, January 13, 2014 at 6:03am

Science
Lines of latitude and longitude on a globe or map____________. a. estimate b. move c. intersect d. adjust
Sunday, January 12, 2014 at 11:24pm

Science
1. Which of the following can be expected to occur as climate change continues on Earth? (1 point) decreased melting of sea ice decreased migration of pests and pathogens increased freshwater sources increased coastal flooding 2. Which piece of children’s’ playground...
Sunday, January 12, 2014 at 8:26pm

Science
What would be a good hypothesis on a dominant trait? I'm 4th grade and this is my first project but I am confused cause I do not know how to write one thank you
Sunday, January 12, 2014 at 8:17pm

Science Please check my answer!
Which physical properties are characteristic of nonmetal solids? Choose all that apply. A) brittle B) little luster C) malleable D) ductile E) good conductors of heat A row of elements on the periodic table is called a(n) A) group. B) period. C) valence. D) orbital. My answers...
Sunday, January 12, 2014 at 3:44pm

science
What type of star is the Sun?
Sunday, January 12, 2014 at 3:38pm

Science
4) Why is it important to control the presence ethylene gas when ripening fruit? 5) Describe two aspects of dams that depend on the proper flow of fluids. Please help me with these questions! A.s.a.p thanks Answer this Question
Sunday, January 12, 2014 at 11:13am

science
4) Why is it important to control the presence ethylene gas when ripening fruit? 5) Describe two aspects of dams that depend on the proper flow of fluids. Please help me with these questions! thanks
Sunday, January 12, 2014 at 7:53am

Science
The bacterium Caulobacter crescentus is able to form long cell envelope extensions that increase the surface area-to-volume ratio when placed in adverse environments. What is the likely function of these envelope extensions? To acquire nutrients To aid in cell division To ...
Saturday, January 11, 2014 at 10:38pm

Science
Which of the following best describes an aspect of a membrane's molecular structure that causes it to be selectively permeable? Carrier proteins on either side of the membrane slow the traffic of large molecules into the cell. Nonpolar molecules cannot dissolve in the ...
Saturday, January 11, 2014 at 10:38pm

Science
Which of the following would not be affected by a loss of vacuole function? The export of unwanted substances The production of ATP>>>>>>? The regulation of cellular pH The storage of food materials
Saturday, January 11, 2014 at 10:37pm

Science
Ms.Sue would you mind checking my answer? Question~ What make sit possible for plants to complete photosynthesis? ________________________________________​_ My Answer~ For plants to complete photosynthesis they need water,carbon dioxide and light.
Saturday, January 11, 2014 at 9:35pm

Atomic Model/Science
A particular neutral uranium atom has 92 protons,143 neutrons, and an atomic mass of 235. How many electrons does the atom have?
Saturday, January 11, 2014 at 5:17pm

Science
How does gravity keep the planets in motion around a star?
Saturday, January 11, 2014 at 5:12pm

Science
Would Mosquito Larvae be considered an insect?
Saturday, January 11, 2014 at 4:21pm

science check my answers?
A car travels around a circular turn of radius 50 meters while maintaining a constant speed of 15 m/s. Find the minimum value for the coefficient of friction necessary to keep the car on the road. I got .40 for the minimum value of friction. In icy conditions, the coefficient ...
Saturday, January 11, 2014 at 2:48pm

Science
Are Mosquito Larvae decomposers?
Saturday, January 11, 2014 at 1:32pm

science
Is a bluegill both a decomposer and consumer?
Saturday, January 11, 2014 at 12:18pm

science please check my answer
A boy climbs to the roof of his house and drops a 0.40 kg rubber ball from the 7.5-meter peak of the house. How much energy was lost in the process? So I got 48 J is this correct? The bounce takes place over a 170 ms time interval. What is the impulse given to the ball during ...
Saturday, January 11, 2014 at 8:06am

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