Eight bits make a Byte which can represent 256 different alphanumeric characters. In order to work with files a basic understanding of the computer operating system is necessary. Files are grouped into directories or folders to keep things organized. It's important to know how to find, make, delete, copy, paste, and move files and folders. Now, try out a simple html file.
Web pages are just text files open in a browser.
For others to see this file, it must be uploaded to a server. Not only is it a good idea to test a webpage in each of the major browsers, but also at different screen resolutions.