Tag: technology
UK Broadband Speed Factors And Comparisons
by Dexter on Jul.10, 2009, under IT News
UK broadband speed varies widely across the country. The differences are based upon the location, type of broadband and the service providers, themselves.
Speed is based upon connection, download and upload of information. Speed also varies based upon individual factors. All the factors come together to help give a rough estimate of the overall UK broadband speed.
The following list explains all of the factors that goes into the final result of broadband speed.
- Type of Broadband. There are numerous types of broadband connections. ADSL and cable are the fastest. Other types like satellite are slower, but still faster than dial up. Even at the slowest rate broadband is still at least 10 times faster than dial up connections.
- Service provider. Some service providers can supply higher speeds. This can be due to better technology, equipment or location. Each provider will list their tops speeds for subscribers to see and this is an easy way for a person to ensure they are getting the best speed possible.
- Web Traffic. The internet is often referred to as the information highway. The reason for this is that all the information online travels through lines that work much like an actual highway. When there are a lot of people online these lines get crowded and the internet runs slower than usual. These times are referred to as peak hours. Peak hours usually occur after 7 am until 9 pm on weekdays and all weekend.
- Hardware. Hardware a person uses, from modems to cables can effect the internet speed. If a person is using outdated or damaged hardware then this will effect the efficiency and in the end, the speed of the connection.
- Personal computer. It is up to the individual to make sure that they keep their computer running smoothly. Each person should make sure that they clean their web browsers history, temporary files and cookies on a regular basis. This helps the computer to be able to work quicker. Also older computers do not have as much memory and therefore need to be cleaned more often so the internet can run quickly.
These four factors all come together to make broadband speed hard to pinpoint. One location could get greatly different results than another simply because of the varying factors.
When looking at UK broadband access speeds and all the factors that can effect them it is easy to see why it providers can not guarantee a speed.
Many providers give a range of speed where the connection speed will fall.
Most users will rarely, if ever, get the top speeds, due to the factors above. Even someone will the best equipment, location and service may not see the top speeds because some factors, like web traffic, can not be controlled by anyone.
Written by Ricco Richardson
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Clean The Hard Drive Before Dumping Your PC
by Dexter on Jul.04, 2009, under IT News
Clean the Hard Drive Before Dumping Your PC
If you’re getting rid of your old computer, chances are there’s sensitive data on it. Make sure it doesn’t fall into the wrong hands.
By Kim Komando
If you’re getting rid of your old computer there are some things you should know about it.
Chances are there’s sensitive data on it. If you’re like me, that PC’s hard drive contains a compilation of your personal and business life. If the wrong people were to grab it, they could hurt you and your business very seriously.
Is the Data Really Gone?
Here’s the problem: An index of files is maintained for the hard drive, telling it where things are stored. When you install a file, especially a big one, it is scattered around the hard drive in bits and pieces. On your command to open the file, the hard drive checks the index, then gathers the pieces and reconstructs them.
When that file is deleted, the links between the index and the file disappear. That tells your system that the file is no longer needed and that hard drive space can be overwritten. But the deleted file remains on your computer. Only when it is overwritten do you begin to be safe. Even then, a specialist might be able to recover the old data.
Assuming you just deleted everything in preparation for saying goodbye to your PC, it is unlikely that the sensitive information has been overwritten. It’s still sitting there, and anybody with the right software could find it.
Do You Trust the Recipient?
How you handle this really depends on where the computer is going. If a trusted employee or your Aunt Minnie is getting it, you can probably just delete everything. If you’re selling it or giving it away to a stranger, you might want to do some more work.
So here are my four suggestions.
1. Give the Computer to a Trusted Employee, Friend or Family Member
If you trust who you give it to, I wouldn’t put a lot of effort into destroying data. Recovering deleted data isn’t automatic. A thief or con artist will have to get some specialised software and learn to use it. Lots of boring data would have to be sorted to find the good stuff. The average (honest) person isn’t going to bother.
So if you give the PC to someone you trust, you should simply delete the files. More extensive work probably isn’t worth the effort. Just be sure the recipient is honest.
2. Reformat the Hard Drive and Re-install the Operating System
Reformatting a disk prepares it to accept a new operating system. It also wipes out everything on the hard drive. That’s your goal.
Reformatting will keep most people out of your old files. But specialised shareware exists to reclaim files after reformatting. If you do not know who will get the computer — or you do know and you don’t trust them — stronger measures are required.
3. Buy Software and Overwrite the Disk, Again and Again and Again
If you don’t know much about computers, this might be easier than Step 2. There are several programs that write gibberish to the hard drive. They promise that nobody will be able to find your files after the software is utilised.
Norton’s SystemWorks includes an application called Wipe Info. OnTrack’s DataEraser offers a similar feature, as does Jetico’s BCWipe. There are more such applications on the Internet.
You can leave the operating system and other files on the hard disk, if you want. These programs can be set to overwrite only the unoccupied areas. The process can be slow, because they write to the disk repeatedly. You might want to run it overnight.
4. You’re Totally Paranoid, so Get Out the Acetylene Torch
I’m not kidding. The only absolute and assured way of protecting your data is to destroy the hard drive. To do that, you need to remove it from the computer.
The Pentagon shreds its hard drives. That should work, assuming you can find a hard-drive shredder. I’ve never seen one.
You need to destroy the platters inside. Try smashing them with a hammer. Destroying them with a torch should work.
Step 4 seems excessive to me. But you’re right to be paranoid about this. Identity theft is becoming more and more common. Be careful, no matter who gets the computer.
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