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Web Terms

brief
Familiarize yourself with some Internet and Web terminology. In an online dictionary of Internet/Web terminology, look for the meaning of the words listed below.

objectives
• To become familiar with the concept of the Internet and the Web.
• To gain basic knowledge of the configuration of the Internet network and the way it supports information.
procedureIn an online Internet/Web dictionary, look for the meaning of the following words.

Internet -A global network connecting millions of computers that enables over 100 countries to exchange data, news and opinions. Each computer is its own host and is independent to choose which internet service provider to use.
World Wide Web - A system of internet servers that support HTML formatted documents.
Web server - A computer that delivers (serves up) web pages. Every web server has an IP address and possibly a domain name. Any computer can be turned into a web server by installing server software and connecting to the internet.
Host - A computer system that is accessed by a user working at a remote location. Typically, the term is used when there are two computer systems connected by modems and telephone lines. The system that contains the data is called the host, while the computer at which the user sits is called the remote terminal.
Web site - A site or location on the world wide web. Each containing a homepage and is owned and managed by an individual, company, or organization.
Web page - A document on the world wide web in which each pare is different and is identified by a unique URL.
Web browser - Software application that allows you to access, locate and display web pages on the world wide web. Two of the most popular browsers are Netscape Navigator and Microsoft Internet Explorer.
- Both are graphic browsers and allowing you to view graphics as well as text.
Podcast - Podcasting allows you to subscribe to a set of feeds download them and listen or view them on you iPod or similar device.
Cache - A special High speed storage mechanism. It can be either a reserved section of main memory of an independent high-speed storage device.
-Two main types are memory caching and disk caching
HTML - Hyper Text Markup language, It is the authoring language used to create documents on the world wide web. It defines structure and layout by using tags and attributes.
XHTML - Extensible hypertext Markup Language- Hybrid between HTML and XML designed specifically for net device displays.
XML - Extensible Markup Language - designed especially for Web documents. It allows designers to create their own customized tags, enabling the definition, transmission, validation, and interpretation of data between applications and between organizations
JavaScript - A scripting language developed by Netscape to enable web authors to design interactive sights. It can interact with HTML source code, enabling Web authors to spice up their sites with dynamic content. It is also an open language.
IP Address - An identification for a computer or device on a TCP/IP network. The format is a 32-bit numeric address written as a four numbers separated by periods. Each number can be between zero to 255.
- TCP?IP- Transition Control Protocol / Internet Protocol suit used to connect hosts to the internet.
URL’s - Uniform Resource Locator- Global address of documents and other resources on the web. The first part of the address indicates what protocol to use and the second part specifies the IP address or domain name where the resource is located.
Domain name - A name that defines one or more IP addresses. It uses URL’s to identify particular web pages. Every domain name has a suffix that indicates which top level domain it belongs to. For example: .gov =government agencies and .edu = educational institutes.
HTTP - Hyper Text Transfer Protocol- defines how messages are formatted and transmitted and what actions web servers and browsers should take in response to commands.
FTP - File Transfer Protocol - the protocol for exchanging files over the internet, most commonly used to download a file from a server or to upload a file to a sever.
ISP - Internet Service Provider - A company that provides access to the internet or a monthly fee giving the consumer a user name, password and access phone number.
IPP - Internet Printing Protocol - Allows universal solutions to printing a document from the internet.
Modem - modulator-demodulator. A device or program that that allows a computer to transmit data converting it from saw digital information on the computer to analog waves so it can travel over telephone lines.
Cable modem - Modem designed to opporate over cable TV lines which is then used to create extremely fast access to the world wide web.
Ethernet -A local-area network (LAN) architecture developed by Xerox Corporation in cooperation with DEC and Intel in 1976. Ethernet uses a bus or star topology and supports data transfer rates of 10 Mbps
Wireless -the term used to describe any computer network where there is no physical wired connection between sender and receiver, but rather the network is connected by radio waves and/or microwaves to maintain communications.
CSS - Cascading Style Sheet - A new feature added to HTML that gives web site developers and users more control over how pages are displayed. This allows you to create different style sheets that identify how different elements will appear.
Blog - Short for weB LOG it is a web page that serves as a publicly accessible journal typically reflecting the personality of the author.
MP3 - File extension and also name of the type of file for MPEG, audio layer 3 which downsizes the CD bit rate by 12 without sacrificing sound quality.
JPEG - Joint Photographic Experts Group- compression techniques for color images When converted from a higher resolution document it may loose some detail.
GIF - Graphics File Format- a bit mapped file format used by the world wide web that supports color images and various resolution.
GUI - A program interface that takes advantage of the computer's graphics capabilities to make the program easier to use
PHP - an open source, server-side, HTML embedded scripting language used to create dynamic Web pages