| A | B |
| Java | platform-independent programming language |
| platform | operating system |
| applets | tiny programs written in Java that can be embedded in HTML pages |
| JavaScript | programming language that is easier to use than Java, but not as powerful |
| CGI | recognized standard for interfacing applications like database programs with Web servers and Web pages |
| Perl | a programming language designed to handle a variety of system administrator functions |
| ActiveX | Microsoft software that allows traditional applications to work on the Web |
| .gif | widely used Web graphics format developed by CompuServe |
| .jpg or .jpeg | graphics format developed by the Joint Photographic Experts Group |
| DHTML | Microsoft's extension to HTML that allows users to move and manupulate objects around the Web page as easily as they manipulate icons on their Windows computer screen |