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Before the 1970s the word “hardware” usually meant one of two things: the beautiful chrome handles on your new dresser and the kitchen cabinets, or the hammer, saw, and nails that you purchased at the local hardware store. Then came the computer boom! Hardware took on a new meaning! If all the progr...

PayPal has just launched a new service called PayPal Mobile. This service allows a PayPal user with an active mobile phone account to send a payment to another PayPal account -- even another mobile user with a PayPal account. Of course the PayPal user at the other end of the transaction could be eit...

This article was written to answer many of the most frequently asked questions on this topic. I hope you find this information helpful. When you buy stereo equipment the speakers customarily come with the system. The quality of speakers depends on the type of stereo system and how much you paid for...

I am sure you have heard the adage, “There’s no such thing as a free lunch”. Well, obviously the person famous for that saying hadn't yet heard of VoIP. Voice over Internet Protocol better know as VoIP - or in simple terms, the ability to transmit voice over the Internet. VoIP has been gaining in st...

Can you see what's coming next? What happens if the controller fails? Ha! - we're ready for that! We put in another controller, and connect the second string of cables to this one instead! Redundant controllers. Other configurations are also possible, using both interfaces on both controllers, howev...

I have illustrated on how music editors are related to steam engines in Part 1. Why so loose a connection? Because I want to stress the universal timeline from the early days of steam engines to the modernity of music editors, during which technology has evolved in waves of disruption. Now somebody...

CCNA exam success depends largely on noticing the details, and this is especially true of configurations involving directly connected serial interfaces. And of course, it's not enough to notice these details - you've got to know what to do about them! A Cisco router is a DTE by default, but directly...

Your BSCI and CCNP exam success depends on knowing the details, and one such detail is knowing the proper way to summarize routes in OSPF. Route summarization is not just a test of your binary conversion abilities, but knowing where and when to summarize routes. It will not surprise any CCNA or CCNP...

The answer is really simple. To protect your own computer from damage, and to prevent your computer from being used to pass on infections to other machines without your knowledge. Many people are reluctant to shell out the cash for decent antivirus software. I'll agree that at roughly $50 for a dece...

There are a number of companies that provide software solutions to virus, Trojan, and internet worm attacks. It can be really confusing when you compare three different software packages from five different companies trying to find the one that is right for you. With that in mind, there are several...