Basic Internet Terms

Digital Design

Arpanet

• The first Internet prototype created in 1965 by the Department of Defense.

Internet

• A global network (Physical) that connects computers all over the world.

• The Internet carries information in packets

World Wide Web

• A part of the Internet that allows users to easily access Web pages through the use of hypertext markup language (HTML).

Web Server

• A special type of computer that delivers Web pages to a requesting browser.

Protocols

• Rules for the Internet

TCP – Transmission Control Protocol

• Set of communication protocols– Says that information must be sent in packets

nor more than 1500 characters– Sent along different paths to your computer

Needs IP (Internet Protocol) – TCP/IP

IP – Internet Protocol

• A way of assigning each computer a computer address

Needs TCP (Internet Protocol) – TCP/IP

Packets

• Information from one computer is broken down and sent to another computer in packets

IP Address

• Each computer in the Internet is assigned a unique identification. (a number)

• Packets are stamped with this address so it knows where to go

URL

• A unique address that identifies a web page.

http://www.google.comURL

Hypertext transfer protocol

Hypertext Transfer Protocol

• A protocol that manages the hypertext links that are used to navigate the Web.

• HTTP ensures that Web browsers correctly process and display the various types of information contained in Web pages.

Domain Name

• Unique address used for identifying a computer, often a Web server, on the Internet. (Part of the URL)

http://www.google.com

http://clearyweb.edzone.net

http://clare.k12.mi.us/highschool

Browser

• A program used to display a web page on your computer screen.

First Browser

Web Site and Web Page

• Web page is a single document on the World Wide Web

• Web site is a group of Web pages.

Search Engines

• Web sites that use software to “crawl” or “spider” their way through the Web and automatically compile an index of Web sites.

Web Hosting

• The process by which a Web site is published, making it available for public access.

File Transfer Protocol (FTP)

• A protocol used to transferring files across the Internet.

• An FTP program is needed to upload files.