The Internet: How it Works and How it Effects the World Essay

“Networks are all around us. They are in our walls, in the air. At schools, hotels, hospitals, even coffee shops. Always there, always on…This power exists today. In our routers. In our switches... . (Cisco, n.d.)

Never has a communications system played so many roles in our lives--or exerted such broad influence over our thoughts--as the Internet does today.

So what we need to do is convert each number into binary and then use the number defined by the subnet mask to pick out the nth most significant bits and then convert the number back to decimal, followed by checking that number against the provided table.

When setting up a network that will consist of many host computers, one of the first things that an administrator must do is to determine what class of networks that they must administer to a given business. This is the point where every administrator must know how to implement classful and classless IP addressing. A classful network is a network addressing architecture used in the internet from 1981 until the introduction of Classless Inter-Domain Routing (CIDR) in 1993. Classful IP addressing divides the addtess space on the internet into five address classes. Each class is coded in the first four bits of the address. Today

That means the first 12 bits are fixed, the last 20 bits can be varied.

0 1 1 0 0 0 0 1 64+32+1=97, This is the ASCII code for A

Direct addressing mode is when the register address is available in the operand of the instruction. An example of an instruction

As computer is a machine, so it can’t understand normal language. It can understand only binary language i.e. ‘1’ and ‘0’. Any input language will be converted by it into binary language and understands the command

1. Consider the right most digit of the message to be in an "Odd" position, and assign odd/even

Perhaps, the most important facts about the internet are that it contains a wealth of information, that can be send across the world almost instantly, and that it can unite people in wildly

Overall, the book tells us about the people involved the making of the Internet. Through the efforts of these geniuses, we see that the work on the "Arpanet" and Internet, as in the rest of the field of computing, was a team effort, with contributions from many individuals and organizations. And, as stated earlier, this effort also had much government support. Thus, many people and institutions were responsible in the making of this incredible instrument of computer technology.

network (ARPANET) meant to promote the sharing of super-computers amongst researchers in the United States.” (Kristula, pg 68). Through the next couple years there were talks of about how this network could come into the cooperate world. In 1969 researchers at four US campuses created the first hosts of the ARPANET. They connected the Stanford Research Institute, UCLA, UC Santa Barbara, and the University of Utah. The ARPANET was a success from the very beginning. Although originally designed to allow scientists to share data and access remote computers, email quickly became the most popular application. The ARPANET became a high-speed digital post office as people use it to collaborate on research projects and discuss topics of various interests. In 1971 the ARPANET grows to 23 hosts connecting universities and government research centers around the country. In 1972, the Inter-Networking Working Group becomes

An “I”, based on one finger, was used to represent the number one, “II”, two fingers, for the number two, and “III”, three fingers, for the number three. The numeral for the number five, “V”, came from the v that your hand makes between the thumb and fore finger. “IV” was used for the number four by subtracting the first letter, “I” from “V”. The numeral “X”, or ten, came from using two hands. The numbers were made by joining

13 52 57 47 43 19 14 18 35 41 25 11 12 10 11 17 10 10 1

The internet developed from software called the ARPANET which the