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Interested Anyone |
| updated May 3, 2006 |
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How secure is your computer? Last year a friend of mine replaced his computers four times, because of mishaps to his hard drive. The first computer he tried to have the hard drive professionally wiped and reset up with new software, only to replace it a few weeks later. Replacing and servicing a non secure computer does become very costly.To day this same friend may come across problems but nothing to lead him to buy another computer. We hear so much these days to back up, back up and back up all your data constantly. Buy the latest Anti virus software and keep your operating software current. Many house holds are not current with updates. It could be that they just do not know about them. Maybe the manufacture no longer is offering updates on their present aging software. Talk about internet and we hear hackers, adware, and pop ups. We hear about bad viruses, Trojan horses. Spyware, keystroke loggers and the list is always being added to. In the next few articles I'm going to talk about computer security and what you can do to make your computer a safer place to surf the internet from. Or a computer on a network, using a wireless device, suggest web sites to test your computers security and more. |
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Question: My first computer was an XT running at a clock speed of 8 MHz My second computer was running at 150 MHz My third computer was running at 400 MHz My forth computer was running at 1.5 GHz What do they all have in common "Heat". On average a Laptop or PowerBook can heat up to temperatures of 50 C or around 140 F degrees and that is hot. When I first bought the 1.5 MHz computer the bottom side burned my knees and I soon adopted using a picnic table when out side. In the interest of redirecting the heat I designed for my own use a box with two battery operated fans. One fan for exhausting the heat and another for bring in fresh cooler air. These days for a few dollars you can find cooling plates with one or more fans in them. Basically you place your laptop on top of the plate with cooling fan or fans underneath. The power to operate the fan or fans is delivered from a USB port. Statistics say that computers including tower are able to operate as long as the heat is within a 60 percent margin. Computers have built in sensors to determine when fans are to operate. There is a fan over the cpu. I have seen heat sinks used to ride off heat. Fans are excepted more so when space is available. Most computers will either shut down or act strange enough for you to want to turn it off and bring it in for service |
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