ON LINE INFORMATION History of the Internet

Where Did It All Begin? The World Wide Web began in Geneva, Switzerland The World Wide Web began in Geneva, Switzerland In one of the largest scientific laboratories in the world. In one of the largest scientific laboratories in the world. The laboratory was called CERN (Counseil European Pour la Recherche Nucleaire – European Laboratory for Particle Physics ) The laboratory was called CERN (Counseil European Pour la Recherche Nucleaire – European Laboratory for Particle Physics )

What does WWW stand for? W orld W ide W eb W orld W ide W eb The Internet is a World Wide network The Internet is a World Wide network

What is the Internet? The worlds largest computer network. The worlds largest computer network. A collection of local, regional and national computer networks. A collection of local, regional and national computer networks. The Internet is linked together with other networks to exchange data and distribute processing tasks. The Internet is linked together with other networks to exchange data and distribute processing tasks. Created in 1987 as we know it today Created in 1987 as we know it today

What is a Network? Two or more computers that are connected for the purpose of sharing information. Two or more computers that are connected for the purpose of sharing information.

What is ARPANET? First network developed in early 60s and 70s by scientists and military experts First network developed in early 60s and 70s by scientists and military experts Allowed them to share information and research data over long distances Allowed them to share information and research data over long distances An experimental network designed to see how well distributed networks work An experimental network designed to see how well distributed networks work

What is a LAN? L ocal A rea N etwork. L ocal A rea N etwork. These computers are near each other sharing information These computers are near each other sharing information

What is a WAN? W ide A rea N etwork W ide A rea N etwork These computers are in different geographical sites. These computers are in different geographical sites.

What is a Modem? A MO -dulator DE - M odulator. A MO -dulator DE - M odulator. A device that lets a personal computers communicate with other computers over telephone lines. A device that lets a personal computers communicate with other computers over telephone lines. Converts electronic signals to sound waves Converts electronic signals to sound waves Converts sound waves to electronic signals Converts sound waves to electronic signals

What kind of information is Analog info? Sound waves from a telephone device Sound waves from a telephone device Information is transmitted from a computer (…electronic device) Information is transmitted from a computer (…electronic device) Over telephone lines (…sound device) Over telephone lines (…sound device) Must be converted through a modem to be compatible Must be converted through a modem to be compatible

What kind of information is Digital Info? Electronic signals from an electronic device Electronic signals from an electronic device

How Is Information Sent Over the Internet? In packets, downloading a section at a time. In packets, downloading a section at a time.

What Does The Internet Screen Look Like? Windows Environment Windows Environment Has Tool Bars, Icons, Drop-Down windows Has Tool Bars, Icons, Drop-Down windows Scroll Bars to navigate the screen Scroll Bars to navigate the screen

What is the Title Bar? It shows the title of the open Web Page It shows the title of the open Web Page It shows the Web Browsers program name. It shows the Web Browsers program name.

What is the Toolbar? It shows the icons for moving around the Web Page It shows the icons for moving around the Web Page

What is an Icon? A small picture of the menu item you are choosing A small picture of the menu item you are choosing

What is the Address Bar? URL – Uniform Resource Locator. URL – Uniform Resource Locator. It has a four part addressing scheme: It has a four part addressing scheme: Transfer Protocol Transfer Protocol Filename Filename Pathname Pathname Domain Name Domain Name

What is a domain? The address of the URL of a particular WEB site The address of the URL of a particular WEB site It tells where the address is located i.e..com;.edu;.gov It tells where the address is located i.e..com;.edu;.gov The name that is to the right of the last dot in the Internet address The name that is to the right of the last dot in the Internet address

Some common domains…..COM -- Commercial.COM -- Commercial.EDU -- Educational.EDU -- Educational.NET -- Network.NET -- Network.GOV -- Government.GOV -- Government.ORG – Non-Profit Organizations.ORG – Non-Profit Organizations.INT -- International.INT -- International.MIL -- Military.MIL -- Military

What is the Status Bar? It is located at the bottom of the screen. It is located at the bottom of the screen. It generally indicates the name of the Web Page that is loading. It generally indicates the name of the Web Page that is loading. It gives the loading status It gives the loading status It gives important messages, such as Document Done. It gives important messages, such as Document Done.

What is the Menu Bar? It provides a convenient way for you to execute typical file, edit, view and help commands It provides a convenient way for you to execute typical file, edit, view and help commands

What are the Scroll Bars? They can be located at the right side of the screen or, They can be located at the right side of the screen or, They can be located at the bottom of the screen They can be located at the bottom of the screen

What is the Refresh Button? It lets you try again when loading information if the network is not working properly--- temporarily out of order. It lets you try again when loading information if the network is not working properly--- temporarily out of order.

What is the Home Button? It takes you back to the Web Page (…or Home Page) quickly. It takes you back to the Web Page (…or Home Page) quickly.

Where is the Web Page area? Where the information is…. Where the information is…. After the toolbars… After the toolbars… The main part of the screen… The main part of the screen…

What is the AUP? A cceptable U se A greement A cceptable U se A greement An agreement that users must consent to that outlines the terms and conditions of Internet use An agreement that users must consent to that outlines the terms and conditions of Internet use Accepting full responsibility for your actions while on the Internet Accepting full responsibility for your actions while on the Internet Do all of you have one???? Do all of you have one???? Should have been turned in to your English Teacher Should have been turned in to your English Teacher

In order to preserve your privacy on the Internet, you must use a… Password Password Do not share with others Do not share with others Computers are fairly secure if you use your head! Computers are fairly secure if you use your head!

How do you navigate the Internet? With a browser which lets you view information on the WWW With a browser which lets you view information on the WWW

What is a Browser? Software which allows you to view information on the WWW Software which allows you to view information on the WWW Different browsers can have radically different capabilities and limitations Different browsers can have radically different capabilities and limitations Internet Explorer Internet Explorer The most widely used browser The most widely used browser Netscape Navigator Netscape Navigator Formerly the most popular browser Formerly the most popular browser Mozilla Firefox Mozilla Firefox

What is a Search Engine? A program that searches documents for specified keywords and returns a list of the documents where the keywords were found. A program that searches documents for specified keywords and returns a list of the documents where the keywords were found.program keywordsprogram keywords A search engine works by sending out a spider to fetch as many documents as possible. A search engine works by sending out a spider to fetch as many documents as possible.spider Another program, called an indexer, then reads these documents and creates an index based on the words contained in each document Another program, called an indexer, then reads these documents and creates an index based on the words contained in each document index

Name some common Search Engines…. Yahoo Yahoo Altruist Altruist Lycos Lycos Hotbot Hotbot Go Go Excite Excite Alta Vista Alta Vista Web Crawler Web Crawler Google Google Infoseek Infoseek

What is an ISP? I nternet S ervice P rovider I nternet S ervice P rovider A service company that provides a user with an account on a host computer to have access to the Internet A service company that provides a user with an account on a host computer to have access to the Internet

Name some ISPs… AOL AOL MSN MSN AT&T AT&T Quest Quest Earthlink Earthlink Comcast Comcast DirectGlobal DirectGlobal

The term we use when exploring the Internet is… Surfing Surfing Clicking on links to explore various sites for information we are looking for Clicking on links to explore various sites for information we are looking for Going back and forth until we find what we want Going back and forth until we find what we want

What is a Web Page? A Home Page which outlines information about a certain subject A Home Page which outlines information about a certain subject It contains links to take you other places on the WWW It contains links to take you other places on the WWW

HTML H yperText M arkup L anguage H yperText M arkup L anguage The coding scheme used to format text for use in developing Web Pages on the WWW The coding scheme used to format text for use in developing Web Pages on the WWW <a href= <a href=

What is it called when you connect to the Web Page you are looking for? A Hit A Hit The access of a file by a user on a server The access of a file by a user on a server You are able to pull up information about a certain subject You are able to pull up information about a certain subject

What allows you to jump from one Web site to another? Links Links They are usually underlined and a different color of text They are usually underlined and a different color of text Mostly Blue…. Mostly Blue….

HTTP H yper t ext T ransport P rotocol H yper t ext T ransport P rotocol The transmission standard used to send an HTML document across the WWW The transmission standard used to send an HTML document across the WWW Ensures reliable connections between many different computer types Ensures reliable connections between many different computer types A common set of standards that ensures all computers connected to the Internet will have common ground on which to work A common set of standards that ensures all computers connected to the Internet will have common ground on which to work

What is Shareware? Software that you can obtain for free on a trial basis Software that you can obtain for free on a trial basis May require some payment for continued use May require some payment for continued use

What is Freeware? Software that is distributed at no cost to the user Software that is distributed at no cost to the user The author maintains the copyright The author maintains the copyright Basically: Software that is copyrighted but can be used freely Basically: Software that is copyrighted but can be used freely

What is Public Domain? Software that is NOT copyrighted Software that is NOT copyrighted It can be copied or used freely It can be copied or used freely Basically: Public Property Basically: Public Property

What Are Firewalls? An electronic blocking mechanism that will not allow unauthorized intruders into a computer system An electronic blocking mechanism that will not allow unauthorized intruders into a computer system A software program that blocks potential hackers from your individual computer or your computer network. A software program that blocks potential hackers from your individual computer or your computer network. Any computer that is always connected to the internet needs a firewall package Any computer that is always connected to the internet needs a firewall package

What type of mail is sent over the Internet? Electronically communicating with individuals outside of your immediate area Electronically communicating with individuals outside of your immediate area Your computer is the medium Your computer is the medium

The rules of conduct and behavior on the Internet is called…. Netiquette Netiquette A set of rules that a person using the Internet abides by A set of rules that a person using the Internet abides by Showing courtesy and respect on the Internet Showing courtesy and respect on the Internet

The part of the Internet that returns bounced mail is… The DAEMON The DAEMON It defines the problem It defines the problem It reroutes the message back to the sender with an explanation It reroutes the message back to the sender with an explanation

Unwanted Internet garbage is called… Spam -- An electronic message Spam -- An electronic message The recipient's personal identity and context are irrelevant because the message is equally applicable to many other potential recipients The recipient's personal identity and context are irrelevant because the message is equally applicable to many other potential recipients The recipient has not granted permission for it to be sent The recipient has not granted permission for it to be sent The transmission and reception of the message appears to be of no benefit to the sender The transmission and reception of the message appears to be of no benefit to the sender

Chatting with someone on the Internet is called… Cyber Chat Cyber Chat Carrying on a conversation over the computer Carrying on a conversation over the computer BE CAREFUL!! BE CAREFUL!!

When a person is happy with the computer they have, the computer is called…. User Friendly User Friendly Easily understood commands Easily understood commands The computer illiterate person can still operate the system The computer illiterate person can still operate the system Information is put out in reasonably correct format Information is put out in reasonably correct format

When speaking of the Internet of the future, we refer to it as… Cyberspace Cyberspace Somewhere out there… Somewhere out there…

What a Great Time of Life We Live In!!!