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Computers

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

48,002 Questions

What are zombie computers and how can they affect network?

Zombie computers are any system attached to a network that silently (unannounced to the user) perform tasks on the network to reach a predetermined goal. A computer system can become a zombie computer by being infected via a network transferable source such as via email, or via a local source delivered from a flash drive or other external source. It is most common for each zombie computer to be performing a small portion of the larger goal, and be part of a larger group of zombie computers that are all working together for the same purpose. This way, if one zombie computer is brought offline, the goal can still be reached. It also ensures that each infected system is not diverting a great deal of resources to the zombie process, which helps to ensure the zombie node is not detected and repaired.

Network consequences are dependent on what the task is that the zombie collective is working on, and how many zombie nodes are contributing vs the scale of the network they sit on. For example, if 10 systems on a network of 10,000 systems are infected, the likelihood of the network being bogged down by the zombie traffic is minimal. However, it also depends on whether the goal the zombie collective is trying to achieve is targeting the local network they are on, or something outside the network on the internet, as 10 computers working to overload a local server, may achieve some results, while 10 computers trying to overload Google for instance would have little effect.

What can you do when you are bored on the computer for 12 year old girls?

With Internet access there are many different sites that offer fun and interesting games for a lot of ages. Do a search in your major search engine or have your parents help you find a site where many games are free and interesting.

Also Google Chrome (browser) has a Google Chrome Store where many games can be played directly through the browser and for free.

Is key board is an source data input devices?

Yes they are.. the keyboard is designed to allow the user to put information into the computer.

What is the difference between IEEE 1394a and IEEE 1394b?

There are many different versions of both.

The Related Link explains something of this interface and gives a number of other useful links.

How do teens communicate with each other?

You can have teens talk to other young teens from around the world through the social media.

Which is the best Gaming Desktop?

According to http://computers.toptenreviews.com/gaming/ the best desktop for gaming is the Cyberpower PC Black Pearl. The best would, however, be a personal choice and be dependent upon price and type of gaming.

Where can you downoad free cursors for mac os x 10.6.0?

http://www.google.com.ph/search?hl=tl&client=firefox-a&rls=org.mozilla:en-US:official&hs=uuh&ei=FMh7S4u2JoqOkQXNsZDaBA&sa=X&oi=spell&resnum=0&ct=result&cd=1&ved=0CAYQBSgA&q=Where+can+you+download+free+cursors+for+mac+os+x+10.6.0%3F&spell=1

Try the link above:

How can you permanently remove info from computer?

The ONLY sure way is to remove the hard drive and destroy it completely. Less drastic measures that work for most users would include formatting the hard drive and reinstalling the operating system. Short of that, anything you do will leave traces that can be followed and recovered.

What appears after your computer is idle for a specified period of time?

Usually the 'screen-saver'. If a TV or computer screen is left on with the same image, it can 'burn' the image onto the screen - creating 'ghosting'. A screen-saver allows your computer to stay on - while protecting the screen's pixels.

Super computers in simple words?

supercomputer, any of a class of extremely powerful computers. The term is commonly applied to the fastest high-performance systems available at any given time. Such computers have been used primarily for scientific and engineering work requiring exceedingly high-speed computations.

Is glass a opaque object?

The only problem that I see, if it was meant to be opaque, is that you can't see through it, which defeats the purpose of a window. If you are trying to make/buy clear glass, impurities within the glass would not allow light to pass through as easily and I imagine that this might make the glass weaker and less useful.

What are 3 types of ribbon cables you might find inside a PC?

-Sata Cable

-IDE Cable

-Molex/Sata power cable

Other possible

-SCSI Cable

-Floppy cable

-SLI/Crossfire Cable

-12V 24 pin Motherboard connector

-12v 4-pin CPU Connector

-12v PCI-e Connector

What is meant by character set?

A character set is a set of characters like QWERTY that is the standard character set for the keyboard. It includes all the characters you can see on your keyboard, but also ones that you cannot see, like letters from foreign alphabets, or special mathematical symbols or currency symbols. If you know how, it is possible to type them from your keyboard, even though you cannot see them on the keys, by using code numbers that the character sets have for each character. There are different character sets used on computers. Some of the well known ones are ASCII and UniCode. You can also get special characters through the Insert Symbol options in some applications, like word processors.

Will a computer ever rival a human brain?

A computer is a machine that can be programmed and process information at very high speeds. Every second your personal home laptop with a Intel Core 2 Duo processor can preform billions of calculations and operations per second. But you have to understand computer processing and human brain processing are two very different things. A computer can process billions of instructions per second, but it can only do one at a time. Where as the brain has whats called parallel processing, which it allows it to process more than one instruction per second. Its true computers are better at calculating advanced algebra and complicated equations. Here is a situation of Human Brain verses a computer. Say your making a spread sheet and you put hundreds of different numbers in. The human can calculate the numbers and so can the computer. But if you change the key number in the spreadsheet the computer will crush the human. Because the human will have to go and calculate the change in the numbers.

Sure we may have programmed them to do what they do today but if you put the best chess player against the best supercomputer the supercomputer will more than likely beat the human at chess. Sure we created them, but everyday people are trying to give a computer a mind of its own. When they do succeed computers will most likely take over the world. They will dwarf us in intelligence in one second! Besides computers are making more intelligent machines today.

People say that the human brain can process more instructions per second than any supercomputer. The fastest supercomputer in the world is the Tianhe - 1 which processes information at 2.5 petaFLOPS. Which is equivilant to over two and a half quadrillion calculations per second! But the biggest difference between humans and computers are emotions.

How do you print a screen from my computer?

Without minimizing what u wanna capture then press the print screen button. U should goto graphic editors and Press CTRL+V like MS Paint, save the image, it's urs now…

U could also try PCHand Screen Capture. It could help u capture anything on the screen. I'm using it. Hope it could help u!

http://www.screen-capture-record.com/

What is the set of computer used on a computer to help perform tasks?

What do you mean?

Do you mean Program?

A computer program is a sequence of instructions written to perform a specified task within a computer.

What products are available for purchase at Computers Direct?

My favorite type of online computer store is Affordablekey. They offer a great selection of PC, Laptop and Smartphone products from all the best brands like Apple, Dell, Samsung, and LG and more. The best part about this store is that they offer amazing discounts and deals that make shopping for computer parts and accessories a great experience. For example, they offer a Mother's Day limited time offer with up to 30% discount by using a coupon code: HAPPYMD. They also offer exclusive deals for best sellers and provide great customer service. Highly recommend Affordablekey. if you're looking for an online computer store.

What percentage of middle school students have laptops?

72% of College students have laptops.

Unknown percentage of students in middle school have laptops. Although, most commonly, it is from years 9 - 12 that students receive laptops from the government, or from their own resources.

How does dual processing work?

there are two things you may be talking about here as the two are often confused:

1. Dual processors. in which case, there are 2 separate processors on the motherboard, effectively doubling the computing capacity. There are very few motherboards and cases that support this but one that does is the Mac Pro from Apple. Using dual quad core processors, the computer can utilize up to 8 cores.

2. Dual core. in this case, there is one physical processor which is essentially split in half. this allows the computers to process 2 things at once whereas single core processors can only do 1.

Where can I find the most popular laptops online?

You can buy new laptops online from different places. Retailers like bestbuy.com and amazon.com are good choices, but you could also buy straight from the manufacturer on sites such as dell.com. The best brand of laptop available is subjective, for example Alienware is great for gaming but might not be ideal for a non-gamers laptop needs.

List out various unethical use of computers?

Putting it simply, people get hurt and computers can be destroyed.

For example, if someone uses the computer to cyberbully, post personal information about someone (including phone numbers), hack accounts or scam, people can get hurt.

If someone spreads a virus on computers, they can at the least harm the computer and can sometimes destroy computers.

Computers in the future will probably be used to what?

IT COULD BE BECAUSE THE COMPUTERS ARE WORKING WELL IN THE WORLD AND THE FUTURE COMPUTERS COULD BE BETTER THAN THE OLD ONES or it could be the same