Internet MERCEDES STRONG- COMPUTER CLASS. What is INTERNET ? Brief History of Internet. Services provided by Internet. MERCEDES STRONG- COMPUTER CLASS

Internet

MERCEDES STRONG- COMPUTER CLASS


What is INTERNET ?

Brief History of Internet.

Services provided by Internet.

Session Objective


The largest network of networks in the world.

What is I N T E R N E T ?


ARPA – Advanced Research Project Agency.

The foundation of the Internet began in 1969, when the U.S. Department of Defense created ARPAnet, a project to allow military personnel to communicate with each other in an emergency.

1969 January 2 – started an experimental Computer Network.

Concept – No Server, but equal importance/participation to every computer in the Network.

Brief History of Internet


Website

Home Page

URL (Uniform Resource Locator)

Hyperlinks

HTML (Hypertext Markup Language)

This is the language that Web pages

are written in.

HTTP(hyper text protocol) This is the

protocol used to transfer data over

the Internet

Domain Name

IP Address ISP Internet Service Provider (Cox,AT&T)

Basic Terminologies Used for Internet


The opening or main page of a website.

You set your home page.

Can be the news

Your e-mail site

The web site at work

Home page


Address BarMost Important component of IE- After you type the web site address hit Enter key


UNIFORM RESOURCE LOCATORA web page has a unique address called a

URL

URL are comprised of :

Protocol + : + // + Host + / + file+ .htm

Domain Name Google.commiracosta.eduYoutube.comIrs.gov


A collection of related web pages stored on a web server is called web site.

The web browser is used to access website. A website may contain many web pages

Web site


WEB PAGEThe Documents on web are called web pageThese are electronic documents on special services known as web servers. The web servers are permanently connected to the internet.

A web page may contain• Simple text•Images•Videos•& hyperlinks


LINK: Most of the time, you will get to a different page by clicking on a link. A link can be text or an image, and it's usually formatted to stand out so you know to click on it. Many text links are blue, and they may also be underlined.

If you rest your mouse and the point changes to a hand, you are in a link, to go there just click (left button)

Hyper Links


HTML HTML stand for hyper text markup language

Fundamental language to design web page


It Is A Common And Unique text Name Example: cnn.compaperclassfree.netThe Domain Name Has Tow Parts1.Host name2.Domain(top level domain) such as organization name.edu .gov .net.org .com.mil

Domain Name


EXAMPLES archives.org

unicef.org

fafsa.ed.gov

nasa.gov

irs.gov

aarp.org

harvard.edu

hp.com

army.mil

photorack.net

paperfreeclass.net


How to Connect to Internet


Web Browser software

To access the Internet

Browsers


Electronic Mail (e-mail)

World Wide Web

File Transfer Protocol (FTP)

Internet Telephone

Web TV/Radio

Internet Relay Chat

News Groups

Internet Services


Search Engines

Search engines Are Special websites that provide facility to internet users to search information on internet

Need:?•To remember the URL Addresses•Quick Access•To maintain billions of web pages containing information•Search web pages


Distributes e-mail messages and attached files to one or more electronic mailboxes.

Eg:- e-mail addresses [email protected]

Electronic Mail (e-Mail)


Anatomy of a browser


Menu Bar:

File Menu

Edit Menu

View Menu

Favorites Menu

Tools Menu

Help Menu



ACCESS TO THE INFORMATION The Internet is a Virtual treasure of information


Email

Send And Receive Instant E mail Messages





PRECAUTION

PHISHING: trying to steal your personal information