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Search results 7111 - 7120 of 14167 matching essays
- 7111: The History of The Internet
- ... it has only been around for about 30 years. It has grown to be the greatest collection of networks in the world, its origins go back to 1962. In 1962 the original idea for this great network of computers sprung forth from a question "How could U.S. authorities successfully communicate after a nuclear war?" The answer came from the Rand Corporation, America's foremost Cold War think-tank. Why not ... turns into three and the rest of the world is put on hold. Other times a blank screen can sit there and nothing can be thought of to visit or learn about. The Internet is great if a person has 3 or 4 hours to kill. One tip on how to limit time online is: download a timer that disconnects if a time limit has been passed. These programs usually know ...
- 7112: The History of Computers
- ... computers, would have known the many benefits they were missing out on, they would have more readily funded individuals such as Charles Babbage. As Glossbrenner states in The Complete Handbook of Personal Computers, Computers are great information resources: Computers are great conversationalists. Its' keyboard is its' mouth, the processor its' brain, and the monitor, its' eyes, and just like a person it can communicate with you (Glossbrenner 18). People did not comprehend this early on, and ...
- 7113: Computers
- ... including secret governmental files and making banking transactions to private household accounts. Computers have opened up a new world in manufacturing through the developments of automation, and they have made modern communication systems. They are great tools in almost everything you want to do research and applied technology, including constructing models of the universe to producing tomorrow's weather reports, and their use has in itself opened up new areas of development. Database services and computer networks make available a great variety of information sources. The same new designs also make possible ideas of privacy and of restricted information sources, but computer crime has become a very important risk that society must face if it would ...
- 7114: Telecommunications
- ... PBX network interconnects devices with a telephone switching system; in this kind of network, the devices must again be in close proximity. In wide-area networks, on the other hand, the devices can be at great distances from one another; such networks usually interconnect devices by means of telephone. Telecommunication Services Public telecommunication services are a relatively recent development in telecommunications. The four kinds of services are network, information- retrieval, electronic ... global language, has become a necessary communication medium on the Internet. What is more, the position of English as the language of the network is strengthened by the explosive growth of the computer web as great numbers of new users are connecting to it every day. Internet, in computer science, an open interconnection of networks that enables connected computers to communicate directly. There is a global, public Internet and many smaller ...
- 7115: The Evolution of Jet Engines
- ... piston engines and were usually very heavy and complicated. These thoughts were refined in the 1930's when the turbine engine design lead to the patent of the turbojet engine by Sir Frank Whittle of Great Britian. It was Sir Whittle's design that lead Great Britian into the jet age with the first successful flight. At the same time, the Germans were designing there own jet engine and aircraft which would be one of the factors that kept Germany alive ...
- 7116: Experiencing Cyberspace
- ... different breed of digital communication devices: beepers. Beepers, or pagers as they are commonly called, go hand in hand with cell phones. If a person does not own a cellular phone, a pager is a great alternative. It is a piece of digital equipment that allows the carrier to be notified when someone is trying to get in touch with them. I find that pagers are better in the sense that ... given a pager years ago, and I still use the same one today. It's much easier to answer a pager than a cell phone when I am driving. Even though they are not as great of a communication tool as a cellular phone, I would probably never give mine up. I also communicate with the pager because I read it's LCD display when I am interested in finding out ...
- 7117: Computer Protection
- ... into the room brought the fire to life. Before the flames could be extinguished, they had spread consume three computer systems worth a total of $6.3 million. Besides those accidental hazards, human is a great cause of the outflows of data from the computer. There have two kind of people can go in the security system and steal the data from it. One is those trusted employee who is designed ... s talk about those trusted workers. They are the groups who can easily become a criminal directly or indirectly. They may steal the information in the system and sell it to someone else for a great profit. In another hand, they may be bribed by someone who want to steal the data. It is because it may cost a criminal far less in time and money to bride a disloyal employee ...
- 7118: The Computer Revolution
- ... fifteen years. Ten years ago, all that you could do with a computer, was primarily make mathematical calculations and type documents, but doing that required typing in a series of complex codes that took a great deal of training to learn. Then the Apple computer company took this complex computer language and evolved it to a simpler system of computer language using words that made sense in their context. This system ... it made computers accessible to the average American. This helped greatly in proving that computers were no longer just toys and they had a very useful purpose. Most people still felt the cost was too great for a glorified typewriter. Several years after they introduction of the BASIC system, Apple introduced a new line of computers called the Macintosh. These Macintosh computers were extreme easy to use, and were about the ...
- 7119: Computer System in the Context of Retail Business
- ... cannot. That was related to the freedom of information policies. Equity- some jobs can be done by people who were menially ill and companies should provide opportunity to them. The Environment- The technology had a great effect to the environment, such as power saving computers, less radiation computer in retailing business and also air condition to change the temperature of the workplace. * Similarities between the computer based systems in the context of libraries and context of retail trade are that technology had been a great influence. Technology had been more and more advanced as time pasts to meet the needs of people. Both the context of Libraries and Retailing trade considered many factors such as privacy, nature of work, copyright ...
- 7120: Parts of A Computer and What They Do
- ... the spindle dictate how large the drive will be. 4. This head actuator plate moves the read write heads across the platter in order to read and write the disk this is done with a great deal of precession. 5. Read Write heads attached to this arm read and write to the disk detecting the polarities of the particles already aliened 6. The hard disk will read the FAT in order ... the idea that you could place a number of drivers with the system that meant you would not need separate disks you would just plug in the device and it would work (this is a great idea but owing to the verity of devices on the market the data base could only hold a small proportion of the drivers available.) this idea became PLUG AND PLAY. Buffers These are a type ...
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