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Computers

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

48,002 Questions

Your avi files will not show video in windows media player?

This is most often caused by not having proper video codecs installed. A codec is basically a set of instructions that Windows Media Player would need to properly decode the video stream. When Windows cannot find the proper codecs it attempts to decode as much of the file as possible which is why you are more than likely getting audio but no video. Two of the more common video codecs for AVI files are DivX and XviD.

http://www.divx.com

http://www.xvid.org

Is www.drdatabasejr.com a good website?

It is okay and it could use some more content. He deserves props for getting started and putting information out there.

What is redundency in computer networks?

Redundancy in computer networks has to do with the back up systems that have been designed to avoid loss of information should a server, or shared network, go down. Often this includes scheduled backup "saves" onto a set of disks that are rotated daily, weekly, or monthly. This enables companies to repair the issue and reload yesterday's work (for example) and not have to do the work again.

Can computers replace teachers in the classrooms?

The answer is NO! A computer cannot replace human skills, because:

we need humans to teach us so that they can explain the slightest thing in many ways for one to understand.

In a class if a student asks a question, can a computer answer it. The students need someone with experience and not a machine of some sort who has no feelings.

Yes, Robots would make grading faster and teaching better, also the unemployed teachers could make learning software and teach the things that are too complex and hard for the robots too. They could make tests and also improve the community even more than they could if they were teaching.

Gateway model LX6810-01 shuts off while being used is this a Model wide issue?

There are several sites that have reports of the same problem. I'm adding external cooling fans.. seems the graphic card is putting off a lot of heat and this coupled with not enough adequate cooling to begin with is causing shutdowns.

How do you upgrade those cheap china 7 inch netbooks?

Netbooks are usually built in a way that doesn't allow for much upgrading. The only upgradeable components are usually the system RAM and the hard drive. Those can be upgraded by simply opening the bottom of the case and replacing the component with a faster or higher storage device.

Unfortunately, this is going to only have a very limited improvement on the operation of the netbook.

What is called a chameleon chip and why it is called so?

A chameleon chip is a reconfigurable microprocessor with erasable hardware that can rewire itself dynamically.

To adopt preventive maintenance or break down maintenance?

Preventive maintenance is an important concept used in factories and industrial plants. These measures are taken in order to make sure that all components and machines parts are working smoothly and avoiding equipment breakdown in working hours.

According to industrial millwrights, you need to have a proper PM program to keep your industrial machines in good working hours.

How do you get into the computer when the administrator is no longer around?

Hmmm...that would depend on several things. Is the computer a server, standalone system, networked system? I assume you are talking getting past the password prompt. There are numerous different operating systems and therefore numerous different methods of approach. Is the password you are tying to get around a BIOS password, user password, administrator password?

Without knowing those, as well as other specifics, I am afraid I would have to recommend you contact a local professional computer technician.

All devices that connect to the computer are attached to what kind of bus?

Well, the USB (universal serial bus) is a type of bus, but everything doesn't connect with one.
There is also serial ports, sound jacks, and all that other fun stuff.

Is a computer with a 3.2ghz quadcore processor and 4 gb of ram a very fast computer?

depends on the type of processor and the mhz speed of the ram

but this sounds like a decent PC

Single input single output control system?

The first one, which we often called SISO, is an open loop system because it has only one input and one output signal. But the later -MIMO- has more than one input and can has also more than one output.

So the feedback systems are classified as MIMO because the feedback signal is considered as another input.

Note: We can't use transfer function for MIMO systems.

Eng.Ahmed Gendeya

HP Pavilion 8240 makes clicks and won't go past blue title screen?

Sounds like you have a bad read/write arm in your hardrive. Replace and reinstall.

The standard computer model is not complete without?

the standard computer model is not complete without a motherboard processor

Is a phone book a database?

Yes, a phone book is a database. Databases are large groups of information that is organized according to certain categories.

Whenever I play any video or game on my computer there are short lag bursts where the sound is distorted and the video or game skips a bit so how can I fix this?

1. Increasing RAM Memory

2. Adding Graphics card/processor

3. Deleting unwanted files from c:

these things can help you avoid these problems...

The problem maybe because of low RAM space or unavailability of graphics card.

Can someone trace your history on a home network if you have a separate computer?

Yes it is possible. Everything you send or transmit over a local network could potentially be viewed on another computer on that same network. You are able to download and install network sniffers such are WireShark and this will analyse the data being sent over the local network. You would need some basic knowledge of networks to interpret the data you are seeing but if there are only 2 computers on the network this is quite simple.

If the transmitions are encrypted for example if you are making a payment on a secure website this should be safe and details such are your card number would not be possible to get.