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Fred Black's Articles in Software

  • Web Sites, Domain Names, And Name Servers (What's DNS All About?)...
    I explain Domain Name Servers and Name Servers to a friend of mine all the time. He builds web sites part time. I know he's not alone; DNS confuses a lot of people.

    The internet works by assigning an address to each device attached to it. This address is called an Internet Protocol Address or IP Address for short. It's a 32 bit number that's commonly written as 4 segments or octets (called an octet because each 4th is 8 bits) such as 10.10.1.1 or 216.54.217.22. Each octet ...
  • Learning Cascading Style Sheets Makes For Better Web Pages.
    The other day I was asked why I like Cascading Styles Sheets (CSS) and what makes CSS so great. Here's my answer to those questions.

    The Holy Grail of CSS it to completely separate web page content from the instructions that control its look and feel. If this is achieved then it's much easier for various devices to display the web page correctly. For example the same page would display correctly on a standard web browser (Internet Explorer, FireFox, Opera, Netscape, etc.),...

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