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Computers

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

48,002 Questions

Why did Bell Labs give away for free all the work they invested in Unix?

The parent company of Bell Labs was AT&T. By federal law they were forbidden from competing in the computer industry. This being the case Unix was released to anyone who wanted it.

How do you install open source operating software?

Download your open source O/S (for example Linux ubuntu) and just install. Of course, you might be wanting a dual boot. In Ubuntu, you have a option of a dual boot aside windows. The instructions in the steps are useful and should be read very well.

What is used of computer in hosptle?

These are the main usage of computer in hospital:

  • Record a large amount of data
  • Less chances of lost of data
  • For operation purposes

Would you recommend buying computers online from Computer Warehouse?

Hmmm, that is a tough question. I had difficulty locating a reputable review of computer warehouse. So I would not recommend buying a computer from them. There are larger sites, like dell and hp that you could purchase from worry free.

Will you save money shutting down your computer as oppossed to sleep mode?

If it's shut down for a reasonable time - yes. If you intend to use the computer again in less than an hour - it's better to put it into sleep mode.

How has the decreasing cost of computer hardware contributed to the merging of computers and communications?

Computers and communications have both dramatically declined in costs, making it practical to digitize networks on a large scale.

Why do astronauts use walkie talkies to communicate?

When they're inside their spacecraft, in the "shirtsleeve" environment, and the spacecraft

is full of air, they don't need walkie-talkies, and are able to communicate in the usual way,

using only mouths and ears.

But if they're operating in an environment without air, such as during a "space-walk"

or on the moon, then they need to use radio.

The reason for the difference is the fact that sound needs a substance to travel through.

If there is no air between the speaker's mouth and the listener's ear, then sound cannot

make the trip, and another means of communication is required.

What are the key attributes of the energy star and EPEAT gold green PC certifications?

open, consensus-based standard development

comprehensive standard

accessibility and transparency

credibility

tangible results

What is the difference between super computers and desktops?

Super computers are much more powerful. They have faster processors, more memory and are designed for complex tasks that the average desktop computer can not perform.

How can you find your previous watched sites?

Do you mean internetpages? On most web browsers you shold be able to check your "log" (the list over the websites you have visited by pressing "Ctrl+H"

At least Chrome, Firefox and Internet explorer will sort the websites by date, so you can see what you have been to that day, or the day before.


If you want to check your "last watched" website then you can click the "Back arrow" (It is located in the top, left corner on most browsers)


Here is a picture with "Back button" in FireFox:
http://i.t.com.com/i/lumiere/2008/06/19/qt_061808ffbackbutton-720-50002708-20080619_155151-320x240.jpg

What the best gaming laptop?

in my opinion its alienware it may be very expensive but you can probably play almost any game out there but usually i think the more expensive it is the less lag there is and the better games you can play

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IMPORVED:

As the first answer says Alienware is a very good laptop. I have one and cost me about $1,500 or so. It's really fast and no games lag on it. I've even tested to play 3 high quality games, DC Universe, WoW, and LOTRO, at once and all three ran fine no lag in site. You can save lots of cash with Alienware if you buy from their site the cheapest laptop, not the flashy ones they sell, and upgrade it with better statistics. I went with the second lowest, M14x i believe, which was almost $1000 and put in a lot more RAM, best sound and video card, windows 7, and pre-installed games for the $1500 or so I payed. I do recimend it, though don't take the virus protection they give to save more and go for a free one like Avast. It's expensive, yes, but it's cheaper then buying a cheap laptop and fixing it up to work half as good. Alienware all the way for a good gaming laptop.

Do any computers come standard with a 550 watt power supply?

Why wouldn't it? :) I bought a new chassi a year ago, it came with a 500 watt PSU :)

Do you agree with the defense lawyer's argument that anyone could have planted the logic bomb because UBS's computer security had considerable holes?

Considering that the USB is hardware and not software its harder to lock it down . The IT dept can put stuff into place that will prevent end users from using the USB ports. Is it possible that anyone can do that, yes. If the computer is left unlocked anyone can pretty much do anything from the USB port, plant virus, logic bombs and the like. As I stated before the IT dept can put stuff into place that will prevent anything like that from happening. most do not though