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Computers

This category includes questions and answers about computers and everything related to computers.

48,002 Questions

What is an incremental backup?

To keep backing data up on a regular basis, creating multiple backups, even when this means some data will appear on several backups. As a result a number of backups will exist, not just a single one. If there is a computer crash, it is possible to go back to the most recent backup. If it is necessary to get data that may have legitimately gone from the system, but did exist on an earlier backup than the most recent one, that backup can be restored to retrieve the data. When what is needed is got, the most recent backup could be used to get the system closest to where it was. The older backup could even be restored onto a separate computer, so it does not disrupt the current data. Incremental backup is good for systems where there is a regular change in data, and where old data may need to be retrieved regularly.

Are Applets little Apple computers?

No, they are small Applications, the type of computer they run on doesn't matter.

How do you convert MP3 to mus file?

You can't really. It's like comparing apples and pears.

MP3 is a recording of raw sound. A mus is a music file where the only things stored in the file are trigger data. This means that the file only knows when which instrument plays, how it plays and so on.

Where is the subtraction sign on computer?

above the p and ] ,and if u hold shift u do a underscore_ It sometimes depends on what type of keyboard you have. Mine is kity corner from the nine on the number pad on the right side of the keyboard. Directions: Look over at your number key pad. (Not the numbers above the letters). Move your finger up to the nine, then up noe more to the star. Then go over to the right and you should be putting your finger on the subtraction key.

Can JPEG images can have transparent backgrounds?

No. JPEG does not support transparency and is not likely to do so any time soon. It turns out that adding transparency to JPEG would not be a simple task; read on if you want the gory details. The traditional approach to transparency, as found in GIF and some other file formats, is to choose one otherwise-unused color value to denote a transparent pixel. That can't work in JPEG because JPEG is lossy: a pixel won't necessarily come out *exactly* the same color that it started as. Normally, a small error in a pixel value is OK because it affects the image only slightly. But if it changes the pixel from transparent to normal or vice versa, the error would be highly visible and annoying, especially if the actual background were quite different from the transparent color. A more reasonable approach is to store an alpha channel (transparency percentage) as a separate color component in a JPEG image. That could work since a small error in alpha makes only a small difference in the result. The problem is that a typical alpha channel is exactly the sort of image that JPEG does very badly on: lots of large flat areas and sudden jumps. You'd have to use a very high quality setting for the alpha channel. It could be done, but the penalty in file size is large. A transparent JPEG done this way could easily be double the size of a non-transparent JPEG. That's too high a price to pay for most uses of transparency. The only real solution is to combine lossy JPEG storage of the image with lossless storage of a transparency mask using some other algorithm. Developing, standardizing, and popularizing a file format capable of doing that is not a small task. As far as I know, no serious work is being done on it; transparency doesn't seem worth that much effort.

Discuss the role of computer and data management in MIS?

WikiAnswers will not do your homework for you. Nor will we write critiques, essays, discussion papers, reports or summaries. This is considered cheating.

We will, however, assist you should your questions be specific.

Is stepladder in Bradford is it legit?

Stepladder are paid agents of CREDIT CARD KILLER!!!!!!!!!!!!!!!!

http://www.youtube.com/user/cckmn2009#p/a/u/0/dedFg0WUVuU

Watch this video, full of all the agents working for mr Rankine Credit Card Killer.

steplsadder are base at suite 2.1,rutland house 114-116 manningham lane Bradford bd8 7jf tel no:01274 738641 the companey say they will buy ur credit cards/loans and overdrafts from u.you pay one off payment to them they will clear ur debt in 14 days. i like to know if this company is legit

hi, "Step Ladder" are basically paid agents for "Credit Card Killer" who are based in Birmingham. They get commission for every customer they bring to CCK. So Basically, don't bother with Step Ladder, they are just small time middle men. Go straight to CCK.

As for step ladder I do not know much about them, there are hundreds of company offering this service. My company is the cheapest in the UK and I will help you out for a small fee.

Hello I have a company of my own which removes debt for you. It is legit. Please contact me if interested. Your Loan or credit card if taken out before April 2007 could potentially be unenforceable. The banks have flaws in their contracts. We buy your debt from you and fight the bank in court if we have to on your behalf.

If you have a lot of pictures saved in your computer will it make the interent run slower?

Well, internet connection speeds aren't really effected by memory on your machine. The speed of your connection is pretty much based on your internet service provider. However, you may see a slow-down with your web browser when you don't have a lot of available memory or many applications running while you are surfing. You should consider "zipping" files that you don't view frequently so they take up less space on your computer. Yep because it takes up space

If 135 out of 500 students sampled have computers what is the 95-percent confidence interval for the true proportion of all students who own computers?

First identify the proper confidence interval. Since we are dealing with one proportion, a 1-proportion Z-interval is appropriate. Now check to see if the necessary conditions are fulfilled. First is whether the data was collected from a simple random sample representative of the population. Second is whether n * p-hat and n * (1 - p-hat) are both sufficiently large, where n is the sample size and p-hat is the sample proportion. This is the case, since both 135 and 500 - 135 = 365 are both greater than 10, a generally accepted value. Third is whether n is a sufficiently small fraction of the population (about 1/10 of the population is the largest acceptable fraction). If you have at least 5000 students in your population, the test can be used. Finally, the calculation (assuming all conditions have been fulfilled). The confidence interval for a proportion is p-hat +/- z-star * sqrt(p-hat * (1 - p-hat) / n). Here z-star is the critical value for which P(abs(Z) > z-star) on the standard normal curve is equal to 1 minus your confidence level. In this case, we're looking for the value where the probability of a standard normal random variable producing a value either greater than z-star or less than negative z-star is 1 - .95 = 0.05. This value is approximately 1.96. Putting it all together: p-hat = 135/500 = 0.27
z-star = 1.96
n = 500
0.27 +/- 1.96 * sqrt(0.27 * 0.73 / 500)
0.27 +/- 1.96 * sqrt(0.0003942)
0.27 +/- 1.96 * .0199
0.27 +/- .03891
We are 95% confident that the true proportion of students who own computers is between .23109 and .30891.

What could be the cause of Firefox continually shutting down on my computer?

This problem happens for a variety of reasons but the main reason or cause that this happens to me is because of a new add-on. Try to uninstall any recent add ons and see if that helps. Otherwise I have had to remove all instances of firefox from my computer and then restart and download a new "clean" version of Firefox. Try starting FireFox in Safe Mode (found in the start menu)

How do you move files from your computer to your blackberry 8703?

To move pictures from the computer to my 8703, I simply email them to myself (trying to keep the files JPG and as small as possible), and then open the email on my Blackberry; then, put the cursor on the attachment, click and find "open attachment"; click on the file name of the picture; click and choose "expand"; click on "Full Content"; click "View"; click on "Save Image"; then it will say "Save file" and "Path: /home/user/pictures/" and then the file name. Click on "Save" and confirm, and you are done! Go to main screen, open "Pictures" and you should be able to scroll through and find it. Right now I'm trying to remember how to arrange/move pictures, since there are a number of preloaded pictures.

There's this program called media go from sony how do you make it only on one computer account?

Hmm... I dont realy get the question, but make the account owner, and find settings somwhere and make it only visable to the owner account.

i hope this helped

-kfortjr

Why have all my MP3 files turned into MPEG Layer 3 files as I installed Winamp today and had trouble installing it and ever since then none of my music files work?

Winamp may have installed incorrectly or been mis-associated, and either is trying to play them wrong, or damaged your music codecs.

MP3 is actually short for MPEG 2 Layer 3, so your computer is not technically mis-identifying them.

Try re-downloading Winamp, or downloading and installing a different player.

Is more megabits better?

It depends on what it's for!

Megabits are a measurement of data size. Eight bits make one byte, so if you have an 8 megabit (mb or mbit) it's the same as having 1 megabyte (MB or MByte)

Beyond that, it depends ENTIRELY on what it is you are asking about. Some things you want more, others you want less, and some don't matter at all.

Can you play iknights on your computer?

no the only thing that you can do is open up the files in ishare to change the origanal wrighting of the app. its what hacks do to get ahead in the game.

What language does the word engineering come from?

First attested use in English occurs circa 1325, "constructor of military engines," from Old French engigneor, from Late Latin ingeniare as general sense of "inventor, designer" is recorded from circa 1420; civil sense, as referant to public works, is recorded from 1606. Meaning as "locomotive driver" is first attested 1832, American English. The verb is attested from 1843; figurative sense of "arrange, contrive" is attested from 1864, originally in a political context. Engineering as a field of study is attested from 1792; an earlier word was engineership (1649). Engineery was attempted in 1793, but it did not stick.

What does PB mean in computer terms?

PB = PetaByte = 2 to the 50th = 1,125,899,906,842,624 bytes

What do you do when your computer doesn't load?

If you mean that It doesn't load on the Start up:

If the computer didn't show up the desktop screen after you turn it on in a specified period, then obviously, you have to install a new windows version. Basically, you need to install a new windows, because your system has fell down.

If the computer stopped loading/working/responding while you are ordering it to do something:

Press on keyboard CTRL + ALT + DELETE. The task manager will open. Make sure that you are on "Applications" tab, then you can find which application isn't responding. Right click on it with your mouse, and select "Go to process".

The process will be choose in your list, right click on it with your mouse, and select "Kill Process". Congratulations, you made it.

What are different models of sdlc?

1 Water fall model

2 Itterative model

3 Spiral model

How do you know your bandwidth?

Usually a service provider will give you an estimate of bandwidth on your type of connection, such as "10/5" which might mean "Ten Megabit up, five megabit down" but keep in mind these are usually the maximum potential speed at which you will be capped.

The real test is to use many different speed test sites and compile an average of your speed. Speed over a line is a reflection not only of your maximum capability on your end, but also the server providing the information you want. Even if you have a big fat pipe on your end the server throwing up a friends website might only have a few megs of bandwidth and might take longer.

Very much a "Smallest pipe in the system" thing.

But speed-checking sites help you get a good idea.

How do you sign up on trollz.com if you computer says that you can't reach the database?

heloo you have to go on ur computer and type this in google how to work my trollz register it might work not sure