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Summarize chapter one - Essay Example

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In respect to a Nuts- and –Bolts description, the internet is referred to be a computer network which interconnects many people worldwide through the computing devices available. Some years back, Linux workstations, servers which store and transmit information like web pages…
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Computer Networks and the Internet In respect to a Nuts- and –Bolts description, the internet is referred to be a computer network which interconnects many people worldwide through the computing devices available. Some years back, Linux workstations, servers which store and transmit information like web pages and traditional desktops PCs were the computing devices used. Computing devices such as Web cams, automobiles, gaming consoles, tablets, Smart phones, laptops, picture frames, home electrical and security systems and environmental sensing devices have currently been connected to the internet globally.

A network of packet switches and communication links work hand in hand with end systems since they are effectively connected together. Some of the communication links include optical fiber, radio spectrum and cooper wire and they are made up of different physical media types. This links differ since each one of them transmits data at different rates in bits/second. A route or path is referred to as a sequence at which packet switches and communication links are traversed by a packet from the sending end system to the receiving end system.

A Services description defines the internet as an infrastructure which provides various services to different applications such as social networks, remote login and video streaming. An application Programming Interface helps in specifying how a program running on one end system asks the Internet infrastructure to deliver certain data to specific program running on another end system destination.By considering some human analogies, humans in all times, execute protocols in order to understand the notion of a computer network protocol.

The actions taken by humans when they send or receive messages through the internet contributes to the practice of human protocol role. Different humans have got different protocols since they respond differently when they send or receive these messages. In network protocols, the entities used in exchanging messages and taking actions are software components like computers or hardware, unlike human protocols. A network protocol largely governs all activities in the internet which involve two or more entities in communicating remote.

Through internet network connection, digital subscriber line (DSL), cable, Dial- up and satellite has been developed. For example a residence may obtain DSL Internet access from the same local telephone company which provides its local phone access that is wired. On the other hand, cable Internet access enhances use of the cable television company’s existing infrastructure of the cable television thus a residence gets cable Internet access from the same company which provides its cable television in context.

In respect to cable internet access, special modems known as cable modems are required in order transmission of data to occur. The internet network has enhanced the establishment of Wi-Fi and Ethernet. For example, a local area network (LAN) is used to connect an end system to the edge router especially in home settings, corporate and universities worldwide. Devices such as Android devices, iPhones and BlackBerrys use Wide-Area Access which includes 3G and LTE in surfing the Web, downloading music, tweeting and sending emails.

Guided media which fall under physical media entails transmission of waves along a solid medium. On the other hand, the unguided one entails transmission of waves in outer space and atmosphere like in a digital satellite channel. Twisted-pair copper wire is one of the common medium under guided transmission context and is used because it is less expensive compared to other media.In conclusion, computer network and the internet technology have helped in that; there is easy accessing and transmitting data, sending and receiving important messages across the world.

The technology has also enhanced development of many countries in the world since security and employment issues have been solved by computer network and internet access.Works citedKurose, James F., and Keith W. Ross. Computer networking: a top-down approach featuring the Internet. 6th ed. Boston: Pearson/Addison Wesley, 2005. Print.

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