1.Acceptable Use Policy acceptable use policy (AUP; also sometimes acceptable usage policy or Fair Use Policy) is a set of rules applied by the owner/manager of a network, website or large computer system that restrict the ways in which the network site or system may be used.

2.Freeware Copyrighted software given away for free by the author. Although it is available for free, the author retains the copyright, which means that you cannot do anything with it that is not expressly allowed by the author.

3.Copyright The legal right granted to an author, composer, playwright, publisher, or distributor to exclusive publication, production, sale, or distribution of a literary, musical, dramatic, or artistic work.

4.Pop3 Short for Post Office Protocol, a protocol used to retrieve e-mail from a mail server. Most e-mail applications (sometimes called an e-mail client) use the POP protocol, although some can use the newer IMAP

5.Search Engine A program that searches documents for specified keywords and returns a list of the documents where the keywords were found. Although search engine is really a general class of programs, the term is often used to specifically describe systems like Google, Alta Vista and Excite that enable users to search for documents on the World Wide Web and USENET newsgroups.

6.Ping A utility to determine whether a specific IP address is accessible. It works by sending a packet to the specified address and waiting for a reply.

7.PDF Short for Portable Document Format, a file format developed by Adobe Systems. PDF captures formatting information from a variety of desktop publishing applications, making it possible to send formatted documents and have them appear on the recipient's monitor or printer as they were intended.

8.Shareware Software distributed on the basis of an honor system. Most shareware is delivered free of charge, but the author usually requests that you pay a small fee if you like the program and use it regularly.

9.Protocol An agreed-upon format for transmitting data between two devices. The protocol determines the following: the type of error checking to be used data compression method, if any how the sending device will indicate that it has finished sending a message how the receiving device will indicate that it has received a message

10.Commercial Software An agreed-upon format for transmitting data between two devices. The protocol determines the following: the type of error checking to be used data compression method, if any how the sending device will indicate that it has finished sending a message how the receiving device will indicate that it has received a message

11.Public Domain Refers to any program that is not copyrighted. Public-domain software is free and can be used without restrictions.

12.Dedicated connection Reserved for a specific use. In communications, a dedicated connection is a line reserved exclusively for one type of communication.

13.Dedicated Line In computer networks and telecommunications, a dedicated line is a communications cable or other facility dedicated to a specific application, in contrast with a shared resource such as the telephone network or the Internet.

14.Cookie A message given to a Web browser by a Web server. The browser stores the message in a text file

15.IMAP Short for Internet Message Access Protocol, a protocol for retrieving e-mail messages. The latest version, IMAP4, is similar to POP3 but supports some additional features.

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