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Computers Essay Writing Help

Firewalls
Words: 462 / Pages: 2

.... it. What is a network firewall? A firewall is a system or group of systems that enforces an access 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 .....


"Computer Security" By Time Life Books
Words: 528 / Pages: 2

.... or by locking it up. The password method is enforced by prompting a computer user to enter a password before they can access any programs or information already contained within the computer. Another password security method would be to have the computer user carry a digital screen that fits in your pocket. This digital screen receives an encrypted message and displays numbers that change every few minutes. These numbers make the password one needs for the next few minutes in order to access the computer. This password method is somewhat new. It is also better, for the previous password method is not totally fool proof. This is because the passwor .....


Now Is The Time To Be Computer Literate
Words: 836 / Pages: 4

.... computer. Push a button and the entire stock of a store will be at your finger tips. When you do go to a store to shop you will not use money. You will use either a credit card or debit card which will automatically deduct the amount if you purchase from your bank account. Our homes will be run by computers. Computers will adjust the temperature. Home appliances will be linked to the computer. Imagine driving home from work and calling your computer and having it start dinner for you. Have it adjust the temperature so your home will be a comfortable temperature when you arrive. Window covering will be adjusted to allow the correct amount of sunli .....


A Look Into The Computer Virus
Words: 720 / Pages: 3

.... allowing them to infect still other files, and so on. Viruses often have damaging side effects, sometimes intentionally, sometimes not. (Microsoft Encarta 1996) Most viruses are created out of curiosity. Viruses have always been viewed as a well written, creative product of software engineering. I admit there are many out there who create them out of malice, but far more people are just meeting a challenge in software design. The people who make anti-virus software have much more to benefit from the creation of new virii. This is not a slam, just an observation. A common type of virus would be a Trojan Horse, or a destructive program disgui .....


History Of The Computer Industry In America
Words: 2612 / Pages: 10

.... holding parallel wires on which beads are strung. When these beads are moved along the wire according to "programming" rules that the user must memorize, all ordinary arithmetic operations can be performed (Soma, 14). The next innovation in computers took place in 1694 when Blaise Pascal invented the first "digital calculating machine". It could only add numbers and they had to be entered by turning dials. It was designed to help Pascal's father who was a tax collector (Soma, 32). In the early 1800's, a mathematics professor named Charles Babbage designed an automatic calculation machine. It was steam powered and could store up to 1000 50-dig .....


What Is An Information Systems Project
Words: 509 / Pages: 2

.... different jobs for one particular goal. Providing scheduling, cost and budget requirements, and quality control to ensure the customer is stratified. Any mix up in scheduling could cause a delay and increase the cost and reduce profit. Time management and people skills are a must to be a successful project manager. 2. Stud the enclosed article “HOW MUCH TECHNICAL TRAINING DOES A PROJECT MANAGER NEED?” Then, answer the question, supporting your answer. For support, you are not limited to the enclosed article. As stated in the article a project manager needs enough knowledge not to be snowed. In the military commissioned officers are put into .....


History Of The Internet
Words: 1398 / Pages: 6

.... Net.” This document presented the theory behind the first problem of the Internet, and how to solve it1. The problem was this: when a large document is sent then pieces of it become lost in transfer and the entire document has to be resent, but then different pieces are missing from the new copy of the document. This is a major problem and the obvious solution is to “chop” the information up into smaller pieces and then transmit the smaller pieces2. Then another problem was realized, how does the computer know where to put these small bits of information? The solution to that was what has come to be known as packet-switching (PS). In PS .....


New Age Of Technology
Words: 1056 / Pages: 4

.... be level or parallel when it is placed under the vehicle The intelligence of the system automatically calibrates its position in relation to the points being measured. The system re-calibrates itself 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 a .....


Importance Of Computer Software In Education
Words: 571 / Pages: 3

.... encounter with the computer should be exiting and fun. It should get people interested in the computing field. First and foremost is the fact that computer software is a very important educational tool. Students in high schools experience computers for the first time through games and other software. These help develop the ability to make quick and concrete decisions. The next step requires them to think more seriously about the machines. Secondary students learn the first steps in computer programming by creating simple programs. Here, the assistance of useful software is necessary. The computer software has many uses in the real world and is .....


Development Of The Submarine
Words: 1443 / Pages: 6

.... a series of innovations in nuclear missile and submarine designs, the submarine-launched ballistic missile has become an integral part of our naval weapons arsenal. To understand the need for the development of nuclear missile submarines, there is a need to examine the political climate of the world in the era after World War II. The realignment of the superpowers after the war resulted in a unique situation. The two major naval powers of the day, Great Britain and the United States, were now allied against the greatest land power in history in the Soviet Union. In the period from 1955 to 1965, the advantage was heavily in favor of the U.S. As .....



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