2. What is the Internet?
The Internetis a
large system of
computer networks that
are linked together by a
common language
âprotocolâ called the
TCP/IP
(Transmission Control
Protocol/Internet
Protocol).
3. Equipment NeededEquipment Needed
ComputerComputer
ï An IBM compatible, Macintosh or UNIX computer
can be used for an Internet connection
ProgramsPrograms
ï We require special programs to use the Internet.
These programs are given free of charge.
ModemModem
ï A modem serves as a medium to exchange
information between a computer and the Internet.
TelephoneTelephone
ï All Internet information travels over the telephone
lines.
ISP(Internet Service Provider)ISP(Internet Service Provider)
ï it is a company which gives us the facility to gain
access to the Internet against a fee.
4. What the Internet offers?
E-Mail (electronic mail)E-Mail (electronic mail)
ïenables us to exchange
messages throughout the
world with people- friends,
colleagues, relatives and
even strangers.
Examples: xamsantos@gmail.comExamples: xamsantos@gmail.com
maxie_santos_0728@yahoo.commaxie_santos_0728@yahoo.com
5. What the Internet offers?
InformationInformation
ïany information can
be obtained easily on
the Internet.
Example: www.inq7.net
www.deped.gov.ph
6. What the Internet offers?
ProgramProgram
ïoffers thousands of
free program. Some
of these program are
games, utility
programs, freeware
softwares and others.
Example: www.download.com
7. What the Internet offers?
EntertainmentEntertainment
ïgood browse at
current movies or
listen to over
thousands of sound
files including MP3
files
http://music.download.com/
http://www.sonypictures.com/
8. What the Internet offers?
Discussion groupsDiscussion groups
ïwe can meet people
with similar taste and
preference as ours.
http://www.ion.illinois.edu/Resources/default.asp
9. What the Internet offers?
On-line shoppingOn-line shopping
order goods and
services on the
Internet just sitting
comfortably.
Example: www.myayala.com
11. The World Wide Web (WWW)The World Wide Web (WWW)
âąAlso known as âthe Webâ
Technical definition:
WWW is all the users on the
Internet that are using the
Hypertext Transfer Protocol
(HTTP)
12. What is a website/ page/ homepage &What is a website/ page/ homepage &
hotspots?hotspots?
ïA Web site is a collection of related Web pages that
you can access electronically.
ïWeb page is an electronic document on the Web.
ïThe first page in a series of related documents or a site
is called a home page
ïHot spot is a portion of an image or a piece of text
that changes the arrow to a hand with a pointing
finger,indicating the location of a hyperlink. You can
click on a hot spot to go to a linked Web page.
13.
14. A:
All you have to do is tell a browser to take
you to the address you want. The long
way to do this is to type in the entire
address âURLâ.
URL(Uniform Resource Locator) -is an
address of a file or document on the
Web.
Q & A
Q: How do you reach a Web site/page?Q: How do you reach a Web site/page?
15. Internet AddressInternet Address
Berners-Lee created a simple coding
mechanism involving a string of characters
called URL that identifies the name and
address of each documents available to the
Web
Tim Berners-Lee of European Particle
Physics Laboratory (CERN) invented the
WWW
16. Web Browser
A browser is a computer program
enabling you to use the computer to
view web pages and access the
Internet
19. Different Protocols on the Net
http://hypertext transfer protocol (WWW)
ftp:// file transfer protocol
gopher://gopher site
news:newsgroup
telnet://telnet
mailto:e-mail address
Protocol-an agreed upon set of rules that govern the
exchange of information.
20. Different Domains on the NetDifferent Domains on the Net
.com commercial
.net network
.edu educational
.org organization
.net network
.mil military
.gov government
21. Starting Internet Explorer
In order to get connected to the WWW, we are going to open the Internet
Explorer program. Do this now by double-clicking on the Internet
Explorer icon on the desktop. Throughout this training, Internet
Explorer will also be referred to as Explorer or IE.
A screen similar to the picture below should appear:
Address Bar and URL
22. IE Toolbars and Pulldown Menu
âąThe Internet Explorer toolbar is a group of
button or icons that give you easy access to
your frequently used Explorer commands
âąThere are 11 main icons in the default view of
Internet Explorer.
The Main Toolbar
23. Favorites (Bookmarks)
As you use the Web, you will find sites that you want
to re-visit. You do not have to write down the URL
for those sites. You can use Explorer to save your
favourite URLs for you in the Favourites folder. To
do this, once you arrive at a site that you want to
save, click on:
1. Favorites
2. Add to Favorites
The term âFavoritesâ is often used interchangeably
with âbookmarksâ; saved URLs are, in fact, better
known as bookmarks.
26. Search Services
Search Engines
ïThrough the use of "spiders" or "robots", Web pages
are indexed and then added to a search engine's
database. A search engines âindexâ (record word by
word) all the words in a Web page, as well as those
found in the first few sentences of a Web document,
ïGoogle, Altavista, Hotbot, Excite & others
27. Search Engines Features
AltaVista (www.altavista.com)
AltaVista is a command-driven search tool. It offers two levels
of searching and each has its own unique syntax. An overview
of each search level is provided below. To explore the full
range of searching options, refer to AltaVistaâs help pages
Basic Level
âą Natural language searching [Which cover crops are used in
Africa?] results: 47,920, 335
âą + and - signs [+cover +crops +Africa] 16,678, [+cover +crops
-Africa] 57,272
âą "Phrase" searching for both expressions and proper names
[+"cover crops" +Africa] 2,145
Truncation or word stemming [+"cover crops" +Afric*] 2,620
28. AltaVista
Advanced Level
· Boolean operators (AND, OR and NOT) permit the
user to combine search terms in order to acquire a better
control over their searches
· For example, the OR operator is used to link
synonyms or related terms together which broadens the
search. [âcover cropsâ OR âgreen manureâ] 12,300
· The AND operator is used to retrieve references in
which all linked terms must be present. It will narrow the
search [cover AND crops AND Africa] 9,099
· The NOT operator is used to exclude references
containing specified terms. Use cautiously so not to
exclude useful papers [âcover cropsâ AND NOT Africa]
10,300
29. Search Engines Features
Google (www.google.com)
Google tends to give you the most relevant and
high-quality websites near the top of your results
list. A site's importance is measured in part by
how many other sites link to it -- the more
important the site, the higher it ranks in Google's
search results.
Example:
If your question is: What was the financial cost of
the Vietnam War?
then try typing: "vietnam war" cost billion
30. Review of Main Search
Features
1. "+" and "-â
ie. cancer -astrology -zodiac
This search will pull out Web pages on
cancer as a disease and not as an astrology
sign. .
31. Review of Main Search
Features
4. Phrase searching
ie. "sustainable development"
This search will find the words 'sustainable'
and 'development' as written in the
quotation marks; that is, side by side.
32. Review of Main Search
Features
5. Truncation
ie. develop*
Using the asterisk indicates to the search
engine that different word endings for
'develop' are wanted. It should provide
'developed' 'developing', 'development', etc.
33. Saving File to Disk
ïFile-Save on browser menu
ïChoose whether you want to save as a HTML or
text file
ïChoose location for saving
ïDoes not save graphics, only text
ïTo save graphics, position cursor and use
ïright mouse button to âsave this image as...â
34. Saving File to Microsoft Word
ïOpen Word
ïReturn to the web page
ïFrom the Edit menu, select copy.
ïReturn to Word
ïFrom the Edit menu, select Paste
ïFrom the File menu, select save.
36. Internet Search Activity
Directions: Using the Internet, search for the answer to each question. Then write
the answer to each question and the URL (web address) of the site where you
found it.
1. What is the capital of Namibia?
2. What is rapper Snoop Doggâs real name?
3. Find Martin Luther Kingâs âI have a
dreamâ speech.
4. What does NetBEUI stand for?
5. What is Louisianaâs State motto?
37. 6. What are the colors of South Africaâs flag?
7. Find a recipe for chocolate chip cookies.
8. Who is the 1975 Ms. Universe?
9. After the 2008 Beijing Olympics, what
countries made it to the Top 10? How many
gold, silver and bronze medals they won?
10. Write information about Global
Warming, its harmful effects to environments
and humans.
It allows communication among a system of worldwide interconnected computers. These computers are connected by cables, phone lines, high-speed data lines and satellites.
enables us to exchange messages throughout the world with people- friends, colleagues, relatives and even strangers - we happen to meet on the Internet.
Is an exciting feature of the Internet as we can send and receive messages over long distances also.
On top of that, it is quite fast, easy and inexpensive as well.
We can browse newspaper, magazine, academic papers, government documents, famous speeches, recipes, works by literary figures and what not.
we can have several conversation even with famous personalities in the entertainment world.
MP3?
Question can be asked, problems discussed and interesting stories read.
It offers discussion groups on various subject
Consist of softwares (including programs, documents and files) that enables information to travel along the Internetâs hardware.
Is a subset of the Internet. The Internet is a group of interconnected networks, and the Web is made up of special sites along the Internet that support Web browsing.
On the web, you navigate from one place to another by selecting that a link that appears on a Web page. A link might be a picture or some highlighted text that appears on screen. You just click the picture or text, your Web browser takes you to the corresponding link.
home page, which is similar to a book cover or table of contents for the site and provides information about the siteâs purpose and content.
URL refers to an Internet address that tells your Web browser where to look on the Internet to find a specific Web pages.
Initially it was Tim Berners-Lee conceived and developed the web at the CERN Laboratory in Switzerland for the high-energy physics community.
You can access and view Web pages using a software called a Web browser or browser.
taking advantage of text formatting, hypertext links, images, sounds, motion, and other features.
Netscape and Internet Explorer are currently the leading "graphical browsers" in the world (meaning they facilitate the viewing of graphics such as images and video and more).
âAddressâ of a file on the Internet consist of protocol, a domain name, and sometime the path to a specific Web page or location in a Web page. Most Web page URLs begin with http://, which stands for hypertext transfer protocol, the communications protocol used to transfer pages on the Web.
Domain names are character designations of the type of institution or organizations that own the domain and sometimes a country code follows to determine the server location.