Essays on Computers

... each student sitting at a computer would have a 14" or 15" conventional monitor sitting on the desk, taking up a good 50% of the workspace. These monitors are usually greater than a .3 dot pitch or worse and some with only a 33 mHz refresh rate. According to Van Horn, a professor at Augsburg, in his essay titled Electronic classrooms: design and use, this is absolutely unacceptable for multiple reasons. Looking at a computer screen with a low resolution or refresh rate is stressful on the eyes. When students are constantly straining their eyes, according to his studies, creativity is reduced, errors increase due to a hasty finish, and enthusias ...

... to robbing as one is stealing the goods of someone else and using it without paying for it. Up to 13 Billions dollars are lost in computer piracy yearly and in order to overcome these cost the company are force to rise the prices of their product. Brand name are properties of their respected companies and they have the right to protect their properties. Understanding of the IT background of the Issue Software is contained on disc or on a CD-ROM. Pirates copy can easily be made of Software on disc by copying from one disc to another disc. For CD-ROM one needs a CD-ROM burner or one copies the content onto a large hard disc and then on to a floppy disc. There are ...

... the blue box. Students often find themselves sitting at the end of a runway waiting for takeoff clearance on a busy day, with the engine turning and burning expensive gas. This is not a very effective way for students to spend money. Most students do not have access to expensive flight simulators. Most have to travel hundreds of miles to take advantage of these amazing simulators. Flight simulators are much better than an airplane for the simple reason that in a simulator the learning environment is much safer. Students are able to avoid the overriding need to keep the airplane flying and out of harm's way. In a simulator a student is constantly busy, pract ...

... fees and other equipment to make the system work. Then in the mid nineties, a company came out with an affordable smaller satellite dish that hit the market called Direct TV. It was only eighteen inches high by eighteen inches wide, weighed under 10 lb, and had the same capability as the larger models. Normally your local cable company (Jones Intercable) would set up your cable programming packages for you. You were able to choose from four packages. Your first choice is basic for $11.50 a month. It only has twenty channels. That include most of the normal free channels you already get with your antenna. With cable you receive the broadcast clearer than a ...

... is taking place. The image that keeps popping up is the one of the elimination of the need for human work. This bleak picture is probably never going to occur on such a drastic scale, but it has happened to millions of hard working people. One concern is what the people as a whole going to do about losing their jobs. The only real answer to this problem may not be determined for years to come. As automation continues to grow, many people will be negatively affected. My feeling on the entire picture is spit both ways. On the one side, many applications for a machine exist, which man cannot perform. I know that I would not want to be the person that has to t ...

... to each, individual computer. This would be a very slow process, compared to a fast network speed. Additionally, if one computer on your network crashes, you can move to another computer and continue your work. So, if you use your network and file server effectively, you can have a high degree of reliability, security, and efficiency. Second, an in- can allow you to have only one Internet connection while giving Internet access to all computers on your network. This is very important if you only have one phone line. If you were to add an additional phone line for each computer you wanted to be connected to the Internet, well, let’s just say that thi ...

... control policy between two networks. The actual means by which this is accomplished varies widely, but in principle, the firewall can be thought of as a pair of mechanisms: one that exists to block traffic, and the other that exists to permit traffic. Some place a greater emphasis on blocking traffic, while others emphasize permitting traffic. Probably the most important thing to recognize about a firewall is that it implements an access control policy. The Internet, like any other society, is plagued with the kind of jerks who enjoy the electronic equivalent of writing on other people's walls with spray paint, tearing their mailboxes off, or just sitting in th ...

... virus protection can stop them What, Exactly, Is A Computer Virus? A computer virus is a program designed to replicate and spread, generally with the victim being oblivious to its existence. Computer viruses spread by attaching themselves to other programs (e.g., word processors or spreadsheets application files) or to the boot sector of a disk. When an infected file is activated - or executed - or when the computer is started from an infected disk, the virus itself is also executed. Often, it lurks in computer memory, waiting to infect the next program that is activated, or the next disk that is accessed. What makes viruses dangerous is their ability to perfor ...

... become adept in the use of the machine. When the time comes for a more advanced machine to be installed, such as a computer, the worker may not be able to cope with the massive change. The computer is an example of a new machine that has created new jobs while driving out workers who were either unwilling or unable to deal with the new technology. Computers have drastically changed many of the jobs on the market. Twenty years ago you could leave high school and become a car mechanic without any knowledge of computers, but now you must have a college degree to do any car work. The workers need to be able to change and adapt to the new technology they are confro ...

... hypertext, and was developed for physicist so they could send and retrieve information more easily. The WWW basically is a tool for exploring or surfing . The WWW is an attempt to organize so you can find information easier moving threw document to document. Why do I need to know this? Well now that I got threw all the techno-babble, let's get down to it. If you know how to utilize the Net, in just five minutes you could trade information and comments with millions of people all over the world, get a fast answer to any question imaginable on a scientific, computing, technical, business, investment, or any other subject. You could join over 11,000 electronic confere ...