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Computer Security Systems

Computer security is an increasingly important consideration. From authentication to encryption keys, learn how to keep your computer's hard drive protected and your personal information safe.

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What is the Year 2038 problem?

Fortunately the Year 2038 problem is somewhat easier to fix than Y2K on mainframes. Learn about the standard time library and how C programming is involved with this computer blunder.

How Computer Viruses Work

Computer viruses range from pesky to outright dangerous. Some just display a message, while others erase your entire hard disk. Clicking on what looks like a harmless e-mail message can lead to hours of recovery efforts, if not irreparable damage.

How the Year 2000 Problem Worked

Until recently, computer programmers used two-digit placeholders for the year portion of the date in their software. Guess what happened when we realized the system couldn't account for the first two numbers? Mass panic.

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