By Robert L Read

Chapter 1: Introduction To be a good programmer is difficult and noble. The hardest part of making real a collective vision of a software project is dealing with one's coworkers and customers. Writing computer programs is important and takes great intelligence and skill. But it is really... »read more

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Header, PayLoad Trailer

  Every Web page that we receive comes as a series of packets, and every e-mail we send leaves as a series of packets. Networks that ship data around in small packets are called packet switched networks. On the Internet, the network breaks an e-mail message into parts of a certain size... »read more

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Non-deterministic finite automaton

#include<iostream> #include<string> using namespace std; int state[3]={0,0,0,0}; char str[10]; //symbol     const int S=10; //number of states     const int N=4; void show(){     int j=0,q=0;    ... »read more

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The physicists have invented what they are calling a 'quantum transistor.'

Do you think you have slow Internet access with DSL, cable, broadband, or satellite? Do you have internet speeds of 3, 6, 1Artwork: Chip Taylor2, or even 20Mbps? If you still think your Internet access is slow, then quantum Internet may be right for you. And that is exactly what physicists at the... »read more

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Clearly the ideal replacement for any transistor is a new one of exactly the same type. But letÂ’s face it: there have been around 200,000 different transistor types produced so far over the years,

When youÂ’re servicing a piece of faulty electronic equipment, the problem can easily involve a transistor that has shorted, gone open circuit or developed low gain and/or high leakage. Tracking down the dud may not be too hard, but finding a suitable replacement can pose problems —... »read more

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Powerline Communications, is a breakthrough communications technology for high-speed data, voice and media transfer over existing power lines. PLC provides home networking and broadband internet access using existing electric infrastructures without the need to install new networks. PLC is a... »read more

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Potential Impact of Computer Security

  A computer can be considered secure if it and its software can be depended upon. This does not mean that it is absolutely impenetrable to crackers, viruses and other forms of unauthorized entry. The only computer that is absolutely secure is unplugged and locked in a vault somewhere.... »read more

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Optical Fiber

An optical fiber (or fibre) is a glass or plastic fiber designed to guide light along its length by confining as much light as possible in a propagating form. In fibers with large core diameter, the confinement is based on total internal reflection. In smaller diameter core fibers, (widely used... »read more

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SATA:   In computer hardware, Serial ATA is a computer bus technology primarily designed for transfer of data to and from hard disks and optical drives. It was designed as a successor to the legacy Advanced Technology Attachment standard (ATA). Serial ATA adapters and... »read more

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Steve Jobs

Steve Jobs is the co-founder and CEO of Apple and Pixar. “Innovation distinguishes between a leader and a follower.” -Steve Jobs Steve Jobs regularly makes most rosters of the rich and powerful. It is surprising for a guy who takes home an annual salary of U.S. $1. The reasons... »read more

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