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The Internet

... to other backbones. There are thousands of service providers and networks that connect home or college users to the backbone networks. Today, there are more than fifty-thousand networks in more than one-hundred countries worldwide. However, it all started with one network. In the early 1960's the Cold War was escalating and the United States Government was faced with a problem. How could the country communicate after a nuclear war? The Pentagon's Advanced Research Projects Agency, ARPA, had a solution. They would create a non-centrali ...

Number of words: 1878 | Number of pages: 7

Semiconductors : The Silicon Chip

... semiconductors is the ability to change their resistivity over several orders of magnitude by doping. Semiconductors have electrical resistivities between 10-5 and 107 ohms. Semiconductors can be crystalline or amorphous. Elemental semiconductors are simple-element semiconductor materials such as silicon or germanium. Silicon is the most common semiconductor material used today. It is used for diodes, transistors, integrated circuits, memories, infrared detection and lenses, light-emitting diodes (LED), photosensors, strain gages, sol ...

Number of words: 1438 | Number of pages: 6

Dispute Over Computers And Knowledge To Operate Them

... Second of all,without knowledge of computers anyone dont stand a chance on the job market. Because without education in this field there is no way to succed in life or to find ajob which would provide decant pay for an average person. However,other people have different opinion about this issue. In theit opinion knowledge of computers is not required in today's job market. They also thinks that people should not depend so much on computers but more on their own education and capibilities to make the right decisions. Even knowing for ...

Number of words: 234 | Number of pages: 1

Get Informed! - Buying The Right Computer

... nothing. It's not like in the past when a programmer had to get a program to run under 512K. Programmers think you have unlimited memory. As a result, the programmers don't worry about how much memory they use. When writing a program, programmers use compilers like Visual C++. When they use prewritten routines from compilers, it adds a lot of useless data. Instead of removing this useless data, the lazy programmer leaves it. Not only does this effect you memory, it also effects how much hard drive space you need. The bigger the program, ...

Number of words: 801 | Number of pages: 3

Computers In Our Society

... of learning. Also, college students having easy access to computers for various school related tasks’ like changing complete blocks of text on a term paper in a split second, using graphics to better express a particular point or idea, and being able to tap into the world wide web where vast amounts of information is at the fingertips of the user is a marked improvement from 10 years ago. Furthermore, the use of computers in the home has extended the hours we can learn at a higher level without the environmental pressures of school or ...

Number of words: 598 | Number of pages: 3

William Gibson And The Internet

... this term which names most of the online communities . Within the Cyberpunk cultures there are sub cultures such as hackers, phreaks ,ravers etc.. all have a connection with new technologies. The term Cyberpunk was originated in Science Fiction Literature, writers such as William Gibson tell stories of future worlds, cultures and the Internet. it is William Gibson and the cyberpunks who have carried out some of the most important mappings of our present moment and its future trends during the past decade. The present, in these mapping ...

Number of words: 5165 | Number of pages: 19

Technology

... , until they get the bill after one of these computers go out. Just about everything in a new car is controlled by a computer, a computer will read and recognize your driving patterns and adjusts how and when the transmission should shift from gear-to-gear so that you, as the driver, will get maximum performance from your car. In some vehicles, a computer will adjust how high the car rides from the ground. It lowers the car at highway speeds to make it more aerodynamic which will give you better gas mileage and makes the car easier to ...

Number of words: 1903 | Number of pages: 7

How To Surf The Internet

... Net. Anybody with a disease or illness and who has access to the Internet can obtain the vital information they are in need of. And, most importantly, businesses are flourishing at this present day because of the great potential the Internet holds. First of all, for a person to even consider doing research on the Internet privately they must own a computer. A computer that is fast, reliable, and one that has a great deal of memory is greatly beneficial. A person also needs a modem (a device that transmits data from a network on the Int ...

Number of words: 1265 | Number of pages: 5

Fiber Optic Cable

... During the 1920’s, two men by the names of John Logie Baird (from England), and Clarence W. Hansell (from the United States) came up with the idea of using arrays of hollow pipes or transparent rods to transmit images for television or facsimile systems. However, the first person that was known to have demonstrated image transmission through a bundle of optical fibers was a guy by the name of Heinrich Lamm whom which was a medical student at Munich. His goal was to be able to look inside inaccessible parts of the human body, and in a 1 ...

Number of words: 452 | Number of pages: 2

The Evolution Of The Saw

... cut a piece of wood. Around this time the discovery of copper allowed for the invention of a tool, the saw, that could fulfill this need. This saw was designed with a thin piece of copper stuck into a small piece of wood. The copper strip had teeth lined up along one end that allowed the tool to cut a kerf in a small piece of wood. They later replaced the copper with bronze, and the bronze with iron. This new saw was effective, but was not very specialized. It would react differently under different conditions. Eventually more comple ...

Number of words: 698 | Number of pages: 3

Airbags

... to seriously hurt or kill people, especially children. Since 1990, about 113 deaths have been caused by inflating in not serious accidents. 51 of these deaths were children, most of whom were not using a seat belt. Small children and don’t mix. Children shouldn’t be in the front seat because the force of the airbag is usually too much for them. Never put a rear facing child seat in the front seat of the car. If the airbag goes off, the seat will be pushed forward and the child may get squeezed between the back of the seat and the ...

Number of words: 636 | Number of pages: 3

Computer Security

... of a oil company or some secret intelligence of the military department. A lot of important information can be found in the memory of computer. So, people may ask a question: Can we make sure that the information in the computer is safe and nobody can steal it from the memory of the computer? Physical hazard is one of the causes of destroying the data in the computer. For example, send a flood of coffee toward a personal computer. The hard disk of the computer could be endangered by the flood of coffee. Besides, human caretaker of ...

Number of words: 2026 | Number of pages: 8

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