2.1 INTRODUCTION TO FIBERS:
Optical fiber is a type of optical fiber mostly used for communication over shorter distances, such as within a building or on a campus.Optic fibers support applications from 10 Mbit/s to 10 Gbit/s over link lengths of up to 550 meters—more than sufficient for the majority of premises applications.
Multi-mode fibers are described […]

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Computer Viruses and Malicious Code
These days with the proliferation of computers and computer technology it is inevitable that when things go wrong they do so on a larger scale. People can sit at home and write programs that insidiously invade computer systems both public and private. The consequences of these attacks can range from benign […]

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Maintaining your computer is a very easy thing to do and if done on a regular basis it takes little time and keeps the computer repair man away in most cases. Most people overlook these simple tasks until their computer is so slow that they have to call for help. First I will guide you […]

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CCD barcode scanners compete with laser scanners in point of sale and similar applications of the like. The CCD barcode scanners typically have the advantage over laser scanners in several applications. CCD scanners have no moving parts which make the CCD scanners less prone to failure. The laser scanners have oscillating mirrors which are subject […]

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