Monthly Archives: May 2009

Authentication Requirements

Authentication helps to establish trust by identifying who a particular user/system is. Before discussing about the various aspects of authentication, let us see the attack that are identified in the context of communication across a network. The following attacks are identified: Disclosure : Release of message contents to any person or process not processing the appropriate cryptographic [...]
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Functionalities of Cable and DSL modem

Both cable and DSL connections are significantly faster than dial-up modem connections. However, there is often debate over which is the fastest of the two. Cable and DSL modems are typically external devices that connect to your computer’s Ethernet port. However, a cable modem connects to cable wiring (the same connection used for cable TV), while [...]
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Windows Tips – How to Format backup drives with NTFS

Backing up your important files regularly is the key to recovering from a serious system failure. And, with Microsoft Windows XP, the most effective way to back up your computer is to copy your files to an external hard drive using Windows Backup. Before, you back  up your computer for the first time, you”ll want [...]
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Difference between analog and digital technology

Computers are digital devices, meaning they perform all calculations using ones and zeros. This method of computing is referred to as the “binary system” and is the heart of all digital technology, Devices such as hard drives. CD recorders, and Mini DV camcorders are digital devices, and therefore record data digitally, as ones and zeros. VCRs, [...]
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Email Security

Electronic mail is perhaps the most widely used application on the Internet. Using email, and internet user can sed a send a message to other internat users. Consequently, the security os email message has become an extremely important issue. Let us now study the main email security protocols: Pretty Good Privacy(PGP) Secure MIME(S/MIME) Pretty Good Privacy(PGP) : PGP provides [...]
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Will Microsoft Works and Microsoft Word works in a Same computer?

Hello friends , here is a great question about software applications Microsoft works and Microsoft word.  The answer is ‘Yes’ , there should be no problem installing and running Microsoft Works and Microsoft Word on the same machine. It will works properly because of its different working preferences. The two programs use different preference files [...]
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