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Excerpt: UMTS (Universal Mobile Telephone Service) is a third generation (3G) cellular technology, which provides data speeds up to 2 Mbps making portable videophones a reality. UMTS was developed and standardized by ETSI (European Telecommunications Standard Institute) within the ITU’s IMT-200 framework. The technology is optimized to allow state of the art, very high-speed multimedia services such videoconferencing, full motion video, and Internet access. UMTS features the support of several leading telecommunications operators and manufacturers. Universal Mobile Telephone Service has attempted to create an opportunity to build a market for highly customized and user-friendly mobile access to the information society. The intention…

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Excerpt: Satellite Internet has allowed people the freedom of being on the road whilst still having access to the Internet. RV travel allows all the amenities of home with a kitchen, a shower, a comfortable bed and now even RV satellite internet. What could be better than getting away from it all in an RV and still having the benefits of the digital age with the ability to e-mail all of your family and friends, and keep track of the latest news of the world, while still being able to shop for the greatest bargains during your travels across the country. One of the…

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Excerpt: HDTV: Buying Guide, Part Two. In my first article I wrote how there’s never been a better time to buy a high definition (HD) television, and I had just preordered the Samsung HLS-5087W 50 inch rear projection DLP unit. The Samsung was delivered last Thursday and here’s a summary of my initial reaction. First let me give some background on preparing for the new HD television. I’m a satellite TV subscriber and needed to upgrade my DirecTV hardware to be HD-compatible. So last month I logged on to http://www.directv.com and ordered the HD upgrade package. For…

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Excerpt: There’s never been a better time than now to buy a high-definition television (HDTV). Whether your primary source of television programming is local over-the-air broadcasts, cable or digital satellite TV, you will find that there is now a wealth of high-definition programs available. If you have a standard-definition television you will also enjoy all of your widescreen-format DVDs that much more on a HDTV. And with Toshiba now shipping their first-generation HD-DVD players and Blu-Ray players coming to North America next month, there are even more reasons why it makes sense to take the plunge and buy…

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Excerpt: You browse the Internet, find interesting files, applications, open source software, movie trailers or even your favorite band’s songs. And you wish you could use them whenever you want and so you decide to download it. Ever wondered what happens when you click on download? You send a request (few bytes of data) to the hosting server seeking its permission to access the file (or rather send you digital data). This request signal will be replied with an acknowledge signal from the server followed by the actual data requested for. There is much more of communication engineering involved, but let’s not dig…

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Excerpt: BotNet, also called zombie network and network of bots is a group of computers which are used to discreetly send data like spam and viruses to other computers on the internet. These actions are carried out by malicious programs without the knowledge of the users. These malicious programs mainly consist of viruses, Trojans and worms. Infected computers are called bots or zombies. Most computers which are infected are personal home internet PCs which are inadequately protected. When a PC becomes part of a BotNet, it can be instructed to do almost anything by the creator of botnet. In effect it becomes…

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Excerpt: Antennas have been around for a long time. Before the birth of cable television, homes would need it to just to get a signal. The person would need to put this on the roof and adjust it from time to time to get better reception. Satellite television has also changed this making these crude yet useful devices obsolete. The computer age has followed suit. There was a time that an individual had to dial up just to get an internet connection. With the development of wireless routers that come with a WiFi antenna, work using the computer can be done without…