Internet And Google

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Information about Internet And Google

Published on August 18, 2009

Author: fayfree

Source: slideshare.net

Introduction to the Internet Agenda History of the Internet Connecting to the Internet Browsers How to find information Entering a web address (URL) Subject Directories Search Engines Validity and security of information

Agenda

History of the Internet

Connecting to the Internet

Browsers

How to find information

Entering a web address (URL)

Subject Directories

Search Engines

Validity and security of information

History of the Internet In 1969 Department of Defense started experiment to link computer systems together. This was called ARPAnet. In early 1980’s ARPAnet grew into early internet – mostly universities and research sites funded by the National Science Foundation and the Dept of Defense By 1990, Internet became commercialized and available worldwide

In 1969 Department of Defense started experiment to link computer systems together. This was called ARPAnet.

In early 1980’s ARPAnet grew into early internet – mostly universities and research sites funded by the National Science Foundation and the Dept of Defense

By 1990, Internet became commercialized and available worldwide

Connecting to the Internet Phone Line Connection Internet Service Providers such as AOL Speed is relatively slow Monopolizes telephone line Cost is low Cable Connection Internet Service Providers include Time Warner, Verizon Speed is fast Telephone calls can be received when online Cost is more than phone line

Phone Line Connection

Internet Service Providers such as AOL

Speed is relatively slow

Monopolizes telephone line

Cost is low

Cable Connection

Internet Service Providers include Time Warner, Verizon

Speed is fast

Telephone calls can be received when online

Cost is more than phone line

Wireless Connections You've probably seen news or advertising about cell phones and PDA’s that let you receive and send e-mail. This seems a logical next step, it uses technology called Wireless Application Protocol ( WAP )

You've probably seen news or advertising about cell phones and PDA’s that let you receive and send e-mail.

This seems a logical next step, it uses technology called

Wireless Application Protocol ( WAP )

WiFi - Hotspots If you've been in an airport, coffee shop, library or hotel recently, chances are you've been right in the middle of a wireless network. Many people also use wireless networking, also called WiFi or 802.11 networking, to connect their computers at home, and some cities are trying to use the technology to provide free or low-cost Internet access to residents. In the near future, wireless networking may become so widespread that you can access the Internet just about anywhere at any time, without using wires.

If you've been in an airport, coffee shop, library or hotel recently, chances are you've been right in the middle of a wireless network. Many people also use wireless networking, also called WiFi or 802.11 networking, to connect their computers at home, and some cities are trying to use the technology to provide free or low-cost Internet access to residents.

In the near future, wireless networking may become so widespread that you can access the Internet just about anywhere at any time, without using wires.

Internet Browsers Browser allows user to find, view, hear and interact with material on the Internet Popular browsers Microsoft Internet Explorer Mozilla Firefox Google Chrome Apple Safari Opera URL - address of the web site Saving a home page (see handout) Favorites Printing

Browser allows user to find, view, hear and interact with material on the Internet

Popular browsers

Microsoft Internet Explorer

Mozilla Firefox

Google Chrome

Apple Safari

Opera

URL - address of the web site

Saving a home page (see handout)

Favorites

Printing

How to Find Information Entering a web address or URL Takes you directly to a web site Subject Directories Organize the Internet by subject Information on a variety of topics Search Engines Tool to locate information Uses keywords to search Google is popular search engine but there are many others

Entering a web address or URL

Takes you directly to a web site

Subject Directories

Organize the Internet by subject

Information on a variety of topics

Search Engines

Tool to locate information

Uses keywords to search

Google is popular search engine but there are many others

Validity and Security of Information Just because you find something on the Internet, it doesn’t make it true Study source of the information Look at extension on web site address .com – commercial site .org – nonprofit site .edu – educational site .gov – government site

Just because you find something on the Internet, it doesn’t make it true

Study source of the information

Look at extension on web site address

.com – commercial site

.org – nonprofit site

.edu – educational site

.gov – government site

Searching Examples Tips for better searches Advanced searching Helpful Links at OCPL Thanks for Coming!

Tips for better searches

Advanced searching

Helpful Links at OCPL

Thanks for Coming!

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