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What Is ISDN?

... use this method. Computers, however, are digital machines. All information stored on them is represented by a bit, representing a zero or a one. Multiple bits are used to represent characters, which then can represent words, numbers, programs, etc. The analog signals are just varying voltages sent across the wires over time. Digital signals are represented and transmitted by pulses with a limited number of discrete voltage levels. [Hopkins] The modem was certainly a big breakthrough in computer technology. It allowed computers to comm ...

Number of words: 5167 | Number of pages: 19

Internet Censorship

... It is a complex and limitless network which allows boundless possibilities and would be effected negatively by the regulations and censorship that some countries are intent on establishing. Laws that are meant for other types of communication will not necessarily apply in this medium. There are no physical locations where communications take place, making it difficult to determine where violations of the law should be prosecuted. There is anonymity on the Internet and so ages and identities are not known this makes it hard to determi ...

Number of words: 1990 | Number of pages: 8

A Look At Public Key Encryption

... encryption they used a very complex method of encrypting messages. Encryption does not have to be complex; the Captain Video Decoder Rings that we had as children used encryption. You'd encode your secret message, such as "Meet me by the swings," by replacing the letters of the alphabet with substitute letters from a certain number of places away. For example, let's say we decide to use the key "+4." That would mean we'd switch each letter in our message with the letter that comes four places later in the alphabet. D would become H; R would b ...

Number of words: 1212 | Number of pages: 5


... gas that inflates the airbag. An airbag is successfully inflated when the automobile’s electrical system and sensor detect that the automobile has been involved in an accident. This whole process is part of a complex electrical system that a car is equipped with. The sensors consist of a tube containing a ball held in place by a spring. In a frontal impact, the ball is forced against the spring in proportion to the severity of the crash. Other systems use an accelerometer instead of crash sensors, frequently located within the steeri ...

Number of words: 855 | Number of pages: 4

Technology Of The Twenty First Century

... doors for people. Computer Technology is being used in all types of business today. Before long you will not be able to get a good job unless you have had some kind of computer training. The reason the Y2K problem is so big is because our lives revolve around computers and technology. Banks use computers to keep track of money. Fast Food restaurants use computers for inventory and taking care of money also. Before long everyone will have a computer at home. The Internet is a big part of our lives today. It is being used everywhere and every ...

Number of words: 591 | Number of pages: 3

Technology: Friend Or Foe?

... They understood that it was not the power of a useful machine they were fighting but the power of those who mismanaged it. The same can be said for the management of computer technology. There is not doubt that computer technology has become central to the operation of global multinationals, financial markets, security surveillance, and as well as everyday life. There is little we can do with a computer interface device that will preserve our identity. Governments acting as a global police force protecting us from ourselves ca ...

Number of words: 638 | Number of pages: 3

Computer Programming

... for a computer to follow. A computer programmer carefully studies the program that best suits the employer needs. They may also work for a large computer corporation developing new software and/or improving older versions of these programs. Programmers write specific programs by breaking down each step into a logical series of hours of writing programs, the programmer must follow. After long hours of writing programs, the programmer must thoroughly testing and revising it. Generally, programmers create software by using the following a ba ...

Number of words: 880 | Number of pages: 4

Interactive Television

... concentration and an intensity level of viewing that most Americans do not have. Americans use television as a background while they do other chores or eat dinner. They like to watch television in groups, not by themselves. The problem with interactive television is that it works best with a focused individual viewer without distractions. It also requires the user to remain indoors for long periods of time which people don't like to do. Human beings are social animals. It is this fact that will keep them from being glued to their televisio ...

Number of words: 1410 | Number of pages: 6

Regulating The Internet: Who's In Charge

... educate the general populace on how to use this tremendous tool. "The reality exists that governance of global networks offers major challenges to the user, providers, and policy makers to define their boundaries and their system of govenment" (Harassim, p84) The intemet is a group of networks, linked together, which is capable of transmitting vast amounts of information from one network to another. The internet knows no boundaries and is not located in any single country. The potential the internet has of shaping our world in the fut ...

Number of words: 2062 | Number of pages: 8

History Of The Internet

... and organisations wich was important for the american army who was connected to Internetwork. Resons of security made Internetwork anarchistic.It wasen`t supose to be any cental computer wich controlled Internetwork and the computertrafic was supose to direct it self so if a thought road suddenly wasen`t accessible the trafic should find a new way by it self. Because of this the enemy couldent in war strike out Intenetwork by bombing individual servers and main computers. In the end of the 1970`s was almost all american Univers ...

Number of words: 279 | Number of pages: 2

Cognitive Artifacts & Windows 95

... it acts like a to-do list. The wizard takes a complex task and breaks it into discrete pieces by asking questions and responding to those questions based on the answers. Using Norman's theories on system view and the personal view of artifacts, we see that the system views the wizard as an enhancement. For example, we wanted to set up the Internet explorer, you click on the icon answer the wizard's questions and the computer performs the work. Making sure everything is setup properly without the errors that could occur in configuring the ...

Number of words: 854 | Number of pages: 4

The Computer Revolution

... 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 was called BASIC. BASIC was a major development in the computer industry, because 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 pu ...

Number of words: 588 | Number of pages: 3

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