The Internet  Define the internet  Discuss advantages of the internet  List requirement needed to access the internet

Networks and the Internet  What is the Internet? Worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals

History of the Internet  How did the Internet originate? Next p. 69 Goal: To function if part of network were disabled Became functional September 1969 ARPANET Networking project by Pentagon’s Advanced Research Projects Agency (ARPA) Goal: To allow scientists at different locations to share information

The advantages of the Internet p Fig. 1-8  Why do users access the Internet? Next 2. Information 3. Shopping 4. Banking and Investing 5. Classes 6. Entertainment 1. Communications

The Basic requirement needed to access the internet  Network Interface Card (NIC)  Wireless Network Interface Card (WNIC)  internal and external modem  hub or switch  router  wireless access point

WIRELESS NETWORK INTERFACE CARD

Modem (internal and external)

NETWORK INTERFACE CARD

HUB/SWITCH

ROUTER

INTERNET APPLICATIONS Define the World Wide Web (www)

WIRELESS ACCESS POINT  A wireless access point is a device that connects wireless communication devices together to form a wireless network.

The World Wide Web p. 75  What is the World Wide Web (WWW)? A worldwide collection of electronic documents Each electronic document is called a Web page Also called the Web Can contain text, graphics, sound, video, and built-in connections A Web site is a collection of related Web pages

The World Wide Web  What is a Web browser? p. 75 Next Microsoft Internet Explorer Netscape Mozilla  Program that allows you to view Web pages OperaSafari

SEARCH ENGINE

What is a search engine? Program used to find Web sites and Web pages by entering words or phrases called search text

 Search For Information Using a Search Engine p. 80 Fig Next Step 1. Go to search engine Step 2. Select type of search you want to run Step 4. Click link to view Web site Step 3. View hits

Download Files From Internet  Images Images  Audio Audio  Video Video

Type keyword and click find Select the image you want

The internet SEARCH FOR INFORMATION USING SEARCH ENGINE

p. 80 Fig Step 1. Go to search engine Step 2. Select type of search you want to run Step 4. Click link to view Web site Step 3. View hits

NETIQUETTE  Code of acceptable behaviors users should follow while on the Internet Golden Rule: Treat others as you would like them to treat you.

INTERNET COMMUNICATION  E – Mailing  Chatting  Conferencing  Netmeeting  Newsgroup  Forum

E- MAILING  address -Unique name that consists of a user name and domain name that identifies the user

Chatting  What is a chat?  Real-time typed conversation that takes place on a computer  Chat room is location on server that permits users to discuss topics of interest

Newsgroup  What are newsgroups and message boards?  Online area where users discuss a particular subject

Conferencing  What is video conferencing?  Whiteboard is another window on screen that can display notes and drawings simultaneously on all participants’ screens  Two or more geographically separated people who use network or Internet to transmit audio and video data

LIST PERIPHERALS USED FOR COMMUNICATION  Web Camera  Microphone  Earphone

Web camera  What are a PC video camera and a Web cam?  PC video camera c — c DV camera used to capture video and still images, and to make video telephone calls on Internet  Also called PC camera  Web cam c — c video camera whose output displays on a Web page

COMUNICATING USING  1. Register an e- mail accountRegister an e- mail account  2. send messagesend message  3. attach files to messageattach files to message  4. receive / retrieve message  5. downloads attach messagedownloads attach message  6. delete / save message END