CS100 Lecture Notes - Lecture 2: Https, Network Address Translation, Uniform Resource Locator
25 Mar 2016
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Document Summary
A network is all the stuf that is connected together so that two computers can communicate with each other. The world wide web (www) is the most visible part of the internet but there is much more to the internet than the web. Two fundamental ways of communicating: synchronous communication is when both parties are communicating at exactly the same time. A vocal conversation is a good example of synchronous communication: asynchronous communication is when there is a time lag in the communication. Two people sending postcards back and forth is a good example of asynchronous communication. All communication on the internet is asynchronous. The most common physical mediums used by consumers: ethernet: Communicating over a physical wire or cable. To communicate over ethernet, each device needs a unique identiier known as a mac (media access. There are diferent grades of cables and devices that determine their speed: phone, adsl, and cable modems:
