Introduction to Web Programming - Part 3

How The Internet Works

Another area of confusion is exactly how the internet works. A very simple explanation is that the user or client uses a web browser on his or her computer. The web browser sends a request via the internet to a server for a web page. The server sends the requested information back over the internet to the client and the web browser then interprets the data that was sent by the server to display the web page on the client computer. It’s a lot more complicated than that, but this is all that is necessary to understand right now.

Let’s Get Started

If you are ready to get started learning web programming you can begin with just a web browser and some sort of text editor. You can store XHTML files on your own computer and view them with your web browser. In fact, you can learn and use almost everything from XHTML, CSS and javascript on your local machine.

You will need a hosting account to learn about PHP and MySQL, but there are plenty of free hosts available.

Some Additional Points To Ponder

There is one important thing to keep in mind about web programming. Web programming is made up of a whole lot of simple little tasks. There really isn’t anything that difficult about any of the individual tasks.

Where web programming gets complicated is the way that all these simple tasks interact with each other. The more simple little tasks that are present, the more complicated it gets – real fast.

There is one other thing that you should keep in mind. Sometimes there are several ways to accomplish the same task. Sometimes there are a whole lot of ways to accomplish the same task. Different programmers use different methods to accomplish the same thing. So sometimes you may encounter apparent contradictions in the way that something should be done. Don’t let this bother you. It’s just the way it is.

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