CSIS 2300
 
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Terms & Concepts

FTP (File Transfer Protocol):  Tool for retrieving and transferring files from a remote computer. FTP is no longer considered secure and is not recommended. SSH (Secure Shell):  A replacement technology for FTP and TELNET that allows secure transfer of files and terminal sessions over the Internet. .

Firewall:  Hardware and software placed between an organization's internal network and an external network to prevent outsiders from invading private networks.

Home Page:  A World Wide Web text and graphical screen display that welcomes the user and explains the organization or person that has established the page.

HTML (Hypertext Markup Language):  A programming tool that uses hypertext to establish dynamic links to other documents stored in the same remote computers.

Hyperlink:  A selectable connection from one word, picture, or information object to another. In a multimedia environment such as the World Wide Web, such objects can include sound and motion video sequences. The most common form of link is the highlighted word or picture that can be selected by the user (with a mouse or in some other fashion), resulting in the immediate delivery and view of another file.

Internet:  The largest worldwide system of interconnected computer networks, capable of the exchange of messages and offering seamless connectivity for services such as remote login and file transfer.

IP Address (Internet Protocol Address):  Each computer connected to the Internet has its own unique IP address(and may have more than one), which is represented by a 32-bit numeric string of dotted decimal notation (which translates to four sets of numbers separated by periods).

ISP (Internet Service Provider):  A commercial organization with a permanent connection to the Internet which sells temporary connections to subscribers.

Intranet:  An internal network based on Internet and World Wide Web technology.

Netscape:  Netscape is one of the two most popular web browsers and also the name of a company, Netscape Communications, now owned by America Online (AOL).

Network:  Two or more computers linked to share data or resources such as a printer.

Search engine:  A tool for locating specific sites or information on the Internet. Primarily used to search the World Wide Web.

TCP/IP (Transmission Control Protocol/Internet Protocol):  TCP is an upper-layer protocol that relies on IP. TCP is responsible for the disassembling of a message into packets, or datagrams, which it then passes to IP for transmission.

URL (Universal Resource Locator):  Is the address of a file (resource) accessible on the Internet

User Interface:  The part of the information system through which the end user interacts with the system; type of hardware and the series of on-screen commands and responses required for a user to work with the system.

Web browser:  An easy-to-use software tool for accessing the World Wide Web and the Internet.

Web site:  The World Wide Web pages maintained by an organization or individual.

WWW (Worldwide Web):  Created by the physicists at CERN in Switzerland, with contributions by many others, WWW is a system of hypertext-based documents that are linked across the Internet. As its name implies, it is a web of connections, linking information from one resource to another.

References
http://www.whatis.com

Lambert, S. and Howe, W. Internet Basics: Your Online Access to the Global Electronic Superhighway. New York: Random House, 1993.

Laudon, K and Laudon, J. P. Management Information Systems: New Approaches to Organization & Technology. Upper Saddle River, New Jersey: Prentice Hall, Inc., 1998.

Stallings, W. and Van Slyke, R. Business Data Communications. Upper Saddle River, New Jersey: Prentice Hall, 1998.
  
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