Module 2 Definitions

Adware - is unwanted advertising banners, pop-ups, pop-unders, etc. in your web browser.

Antivirus Software - is a program which scans and/or removes computer viruses. It can be used on your hard drive or on diskettes. Antivirus software should be kept up-to-date and be able to detect all viruses currently being distributed and the known existing computer viruses.

Attachment – Documents, spreadsheets, graphics, web link, and any other files associated with an electronic message.

Client-based server - A mail server used to store messages until users log on and download their mail.

Edshare - a file and print server which allows the user to store any files and print from computer labs.

Email - is an electronic message sent from one computer to another.

FTP (File Transfer Protocol) - used to transfer files to another computer via the Internet.

Hoax - usually arrive in the form of an email containing bogus warnings usually intent only on frightening or misleading users.

Home page - For a Web user, the home page is the first Web page that is displayed after starting a Web browser.

Hyperlink - a cross-reference in an electronic document that, when activated, causes the application reading the document to load a different section of the document, a new document, or a resource that the application can display or use.

Hypertext Markup Language (HTML) - The language for publishing hypertext on the World Wide Web.

Hypertext Transfer Protocol (HTTP) - The protocol for transporting HTML documents across the Internet.

Internet – is a world-wide system of computer networks

Internet Protocol (IP) – The protocol for sending data from one computer to another on the Internet. Every computer on the Internet has at least one IP address uniquely identifying it from all other computers on the Internet.

Internet Service Provider (ISP) - A company that provides individuals and other companies access to the Internet and other related services.

Mail Server – is a computer or device on a network that manages mail.

PDF (Portable Document Format) - a file format that can be created and read on any computer, regardless of operating system. Because PDF files are highly compressed they take a short time to download.

Phishing - is an attempt to get you to reveal logins, passwords, account numbers and other personal information.

Plug-ins - Programs that are installed as part of the browser to extend the basic functionality built into the browser. Plug-ins allow different file formats to be viewed as part of a standard HTML document.

Protocols - Controls the way data is transferred between server and client computers on the Internet.

Server - Is the part of the network that responds to requests from other computers in the network with documents or other information which they requested.

Spam – unsolicited e-mail, also known as junk email. It's a form of bulk email obtained by companies that specialize in creating e-mail distribution lists.

Spyware - is a catchall term for several types of malicious software.

Transmission Control Protocol (TCP) - is a set of rules used to keep track of the individual packets that a message is divided into for efficient routing through the Internet.

Trojan Horse - a file that claims to be something desirable but, in fact are malicious and can cause data loss or theft.

Uniform Resource Locator (URL) - The technical name for a text string that supplies an Internet or Intranet address and the method by which it can be accessed.

Virus - a small program written to alter the way a computer operates, without the permission or knowledge of the user.

VirusDefinitions - are files that provide information to antivirus software to find and repair viruses.

Worm - a program that replicates itself from system to system without the use of a host file.