"The person responsible for maintaining and updating a Web site.
A file format designed to enable the printing and viewing of documents regardless of what software and operating system was used to create it.
A small program that can be added to an Internet browser. (Plug-ins are usually downloaded free from the Internet. One of the most common plug-ins is Shockwave).
An addition or plug-in to an Internet browser that allows the user to see multimedia. (Shockwave can be downloaded free from the Internet).
This is the language used for file transfer from computer to computer across the Web.
Use of telecommunications technology to work in a place other than the traditional business office.
The system used in transmitting messages over a distance electronically.
Playing video or sound in real time as it is downloaded over the Internet.
A transmission that occurs right away, without any delay. (Very important in video conferencing, as too much delay will make the system unusable).
A computer program with the ability to modify other programs. (Viruses are designed to multiply and spread to other computers with human help--such as when you open an e-mail attachment. They may or may not damage the infected computer).
A software program written to detect and destroy computer virus programs.
A virus capable of spreading itself, without human intervention.
A program that appears harmless, but hides a virus. (The term comes from a story in Homer's Iliad, in which the Greeks give a giant wooden horse to their enemies, the Trojans, supposedly as a peace offering. But after the Trojans drag the horse inside their city walls, Greek soldiers sneak out of the horse's hollow belly and capture Troy).
A small text file of information that certain Web sites attach to your hard drive while you are browsing their Web site. (The files contain specific information that identifies users -- this is how some Web pages "remember" your previous visits).
Software that enables users to search the Internet using keywords. (A program which acts as a card catalog for the Internet).
A word, a phrase or a group of words that request information from a search engine (or database).
An Internet search that involves the use of (Boolean) operators to improve the search. (A search formed by joining simple terms with AND, OR and NOT to limit or expand the search).
Making a distinction between uppercase and lowercase.
This character (such as an asterisk) that can represent unknown characters when you perform a file find or a Web search.
A type of moving graphic used on web pages.