.... programming tools, have cahnged the role of a programmer and elevated much of the programming work done today. It is becoming more difficult to distinguish programmers from other computer specialist since job titles shift so rapidly, reflecting new areas of specialization or changes in technology. Job titles and descriptions also may vary depending on the organization. In this paper, "computer programmer" refers to individuals whose main job function is programming; this group has a wide range of responsibilities and educational backgrounds. ( Eberts 12 ) Computer programs te .....

.... and farms into the city. We can now have forms of electricity directed into our houses for heating and light. Humans are more reliant on technology then ever before. All of these technological advances sound great, however, there is a negative effect to all this technology. Technology can serve to actually harm humans rather then help them. Competition between companies or even cities can sometimes make lives for humans even worse. Take for example when a city builds better and more roads to attract tourists. This actually creates more traffic, not less. Technology a .....

.... and the receiver then usually agree on a new key to prevent any further damage. In ancient Greece, around 550 Bc, messages were sent encoded to generals and could only be decoded using special staff keys. The key actually consisted of a physical object, which was applied on the message to get the decrypted version of it. In 50 Bc., one of the most simple cryptographic algorithms ever used was the one called the Caesar cipher, that was used by Julius Caesar to send messages to his generals. It consisted simply of switching each letter with the letter that was 3 letters furt .....

.... You see a network diagram overview of all the computers your company has within California. Two systems are flashing, with an X on top of them indicating that they are experiencing problems. Tagging the two systems, you press enter, and with a flash, the screen displays all the statitics of the two systems, including anything they might have in common causing the problem. Seeing that both systems are linked to the same card of a network switch, you pick up the phone and give that branch office a call, notifying them not only that they have a problem, but how to fix it a .....

.... to the vehicle every time you measure. If you reposition the beam after the first measurement, or if the car moves, the beam will automatically re-calibrate from its new position, still producing the same measurement results. Before repairs, Shark provides you with the ability to prove existing damage. This information is good to the vehicle owner and insurance company because it not only explains the cost of repair, but eliminates unnecessary work and surprises. During the straightening procedure, Shark will monitor selected underbody and upperbody reference points. Sha .....

.... room, and look at personal or corporate homepages. People in one country can talk to people in another country over the telephone and even see them, in real time, through video conferencing. What people need to communicate is no longer limited by the size of the paper, length of the tape, or cost of the call. As with all forms of communication, people are always concerned with how secure things are. With traditional forms of communication, even with the highest level of security, things are easily stolen - letters and memos can be easily copied; audio and video recordings .....

.... Romans built many timber-trestle bridges. Surviving roman bridges, however usually have a level road supported on one or more semicircular stone arches. One of the most famous bridges would be The Pont du Gard at Nimes, France. It has three tiers of arches rising 155 feet above the Gard River, spans a distance of 855 feet. It was built in the late 1st century BC or the early 1st century AD. The cantilever bridge is characterized by spans that are supported not at the ends but near the center of the grider or truss. A suspension bridge 1010 feet long was designed and cons .....

.... years. But with today's technology, a new standard has been in the works, HDTV. In September 1992 NBC's WRC-TV in Washington DC became the first television station in the country to send HDTV signals over the air waves. WRC- TV's general manager then stated, "With advanced digital high-definition television, viewers will experience unmatched picture quality and superior sound resolution." There are many pro's and con's regarding having HDTV as the new standard. Not all broadcasters are interested in HDTV at all. During the transitional period, broadcasters will have chann .....