Papers on Computers & Technology
The Steam Engine
Words: 1974 - Pages: 8.... European Society. The first important use of came in 1776. was used to show the Cornish miners how successful it could be in removing the water from the mineshafts. This proved to be of great importance to the Cornish, because one of their biggest problems was the flooding of the mining shafts. (The Penetration of the Industry by Steam Power) The mine owners “worried…that the mines would have to be shut down unless water could be pumped out of the shafts.” “The engine successfully raised water from the bottom of deep mines.” (Siegel, 17) This saved the shutting down of the mines, which were essential to further the economy .....
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Government Intervention Of The Internet
Words: 2350 - Pages: 9.... choose to say it. The key to the world-wide success of the Internet is its protection of free speech, not only in America, but in other countries where free speech is not protected by a constitution. To be found on the Internet is a huge collection of obscene graphics, Anarchists' cookbooks and countless other things that offend some people. With over 30 million Internet users in the U.S. alone (only 3 million of which surf the net from home), everything is bound to offend someone. The newest wave of laws floating through law making bodies around the world threatens to stifle this area of spontaneity. Recently, Congress has been .....
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Object Oriented Analysis
Words: 666 - Pages: 3.... could be demonstrated to the end user until the final stage of the waterfall cycle was completed.
During the 1970’s, a new approach was developed. Tom Demarco, is his book, Structured Analysis and System Specification, introduced model-based software engineering. Demarco thought that complex software systems should be built like any large, complex engineering system, by first building working paper models of the system before committing the resources for implementation. This allowed the user to visualize the future system. Most modern approaches have integrated some form of Demarco’s philosophy. The variation in approaches is bas .....
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Satellites
Words: 482 - Pages: 2.... in the inferno of a defective rocket
blast, or is thrust into improper orbit. A few simply vanish into the immensity
of space. When a satellite emerges from the rocket's protective shroud,
radiotelemety regularly reports on its health to round-the-clock crews of ground
controllers. They watch over the temperatures and voltages of the craft's
electronic nervous system and other vital "organs", always critical with
machines whose sunward side may be 300 degress hotter than the shaded part.
Once a satellite achieves orbit--that delicate condition in which the pull of
earth's gravity is matched by the outward fling of the crafts speed--subtle .....
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Catalytic Converters
Words: 591 - Pages: 3.... The carbon monoxide
gas and hydrocarbons emitted from the engine will travel along the exhaust
system until they reach they catalytic converter. There it comes into contact
with the described catalyst. This forces a reaction between the carbon monoxide
and hydrocarbons with the oxygen inside the converter creating products of
carbon dioxide and water vapor. The reaction which occurs inside the converter
is as follows:
The main compounds involved are carbon monoxide and hydrocarbons
(compounds of hydrogen and carbon), as well as oxygen. When these three are
combined with the provided catalyst, a reaction occurs as above. Dur .....
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Lasers And Their Uses
Words: 843 - Pages: 4.... to the energy difference between the excited and ground
states strikes an excited atom, the atom is stimulated, as it falls back to a
lower energy state, to emit a second photon of the same frequency, in phase
with and in the same direction as the bombarding photon. This process is
called stimulated emission. The bombarding photon of the emitted photon may
then strike other excited atoms, stimulating further emission of photons, all
of the same frequency and phase. This process produces a sudden burst of
coherent radiation as all the atoms discharge in a rapid chain reaction. The
light beam produces is usually pencil thin and maintains .....
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Computer Crime
Words: 3429 - Pages: 13.... Icove (1998) suggested that with the price of home computers that work faster and store more memory going down every year due to competition in the market, it is estimated that by the year 2011 most every American home will have a PC with instant access to the Internet. With an increase in users everyday and new businesses taking advantage of perks of an alternate electronic world, this information dimension will only get bigger, more elaborate, provide more services, and we will find society as a whole more and more dependent on it.
However, even in an artificial environment such as the cyberspace, it appears mankind cannot escape from its .....
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Computers And Marketing
Words: 1766 - Pages: 7.... are
searching for ways to improve profitability and to maintain their position in
the marketplace. As competition becomes more intense the formula for success
becomes more difficult. Two particular things have greatly aided companies in
their quests to accomplish these goals. They are the innovative software
products of CAD/CAM and, last but not least, the World Wide Web.
An important program has aided companies all over the world. Computer-
aided design and computer-aided manufacturing (CAD/CAM) is the integration of
two technologies. It has often been called the new industrial revolution. In
CAD, engineers and designers use .....
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Assistive Technology
Words: 664 - Pages: 3.... difference.
We need to give students the opportunity to learn how to use technological devices so that they are provided with the benefits of new technology. These benefits include a greater diversity in employment opportunities and an inclusion in the educational, social and recreational activities available on the "information highway".
Researchers and educators today recognize four types of technology: the technology of teaching, medical technology, instructional technology, and (Blackhurst & Cross, 1993):
· The technology of teaching includes systematically
designed procedures and strategies that are applied in
precise ways. The .....
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Virtual Reality: What It Is And How It Works
Words: 3163 - Pages: 12.... became evident when, among other
people, Timothy Leary became interested in VR. This has also
worried some of the researchers who are trying to create very real
applications for medical, space, physical, chemical, and entertainment
uses among other things.
In order to create this alternate reality, however, you need to find
ways to create the illusion of reality with a piece of machinery known as
the computer. This is done with several computer-user interfaces used
to simulate the senses. Among these, are stereoscopic glasses to make
the simulated world look real, a 3D auditory display to give depth to
s .....
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