The document discusses the history and components of search engines. It provides examples of early search engines from the 1990s like Archie, Gopher, Veronica and Jughead and notes that Google rose to prominence in the late 1990s/2000 due to innovations like PageRank. The document also outlines different types of search engines and how search engines are used for research, entertainment and shopping.

2. Maryam Farooqi
Roll no 27

3. An introduction to a new
world

4. “A computer program that searches
documents, specially on the WWW, for a specified
word or words and provides a list of documents in
which they are found.”
e.g:
 Google
 Yahoo!
 Bing
 Ask
 WebCrawler
 Wow

5.  A SOFTWARE RUN ON
THE COMPUTER
 PROVIDES ACCESS TO
A SEARCH ENGINE
E.G
 CHROME
 SAFARI
 OPERA
 FIREFOX
 A SOFTWARE THAT
RUNS ON THE SERVER
SOMEWHERE ELSE
 STORES INFO AND
INDEXES FOR
SEARCHERS TO FIND
E.G
 GOOGLE
 YAHOO!
 BING

6.  Search by Keywords (e.g. AltaVista,
Excite, Google, and Northern Light)
 Search by categories (e.g. Yahoo!)
 Specialize in other languages (e.g.
Chinese Yahoo! and Yahoo! Japan)
 Interview simulation (e.g. Ask
Jeeves!)

7.  Spider/WebCrawler
 Index (gathers the organic search results)
 Search interface

8.  These are the rules and regulations through
which the electronic items are to connect and to
exchange information .
e.g:
 HTTP(Hypertext transfer protocol)
 FTP(File transfer protocol)
 HTML(Hypertext markup language)
 SMT(Simple mail transfer protocol)

9.  The first searching tool:
 “Archive” was created in 1990, was able to create a searchable
database.
 Gopher came in 1991,it led to new search programs , Veronica and
Jughead.
 Web’s second search engine was “ALIWEB”, appeared in 1993.
 Fletcher : It was the first WWW resource discovery tool.
It combined the 3 essential features of web search engines :
1. Crawling
2. Indexing
3. Searching

10.  WebCrawler:
One of the first “All Text” crawler based search engine , came in
1994.
Soon after many search engines came:
 Excite
 Infoseek
 Northern Light
 Inkotomi
 Altavista
 Yahoo!

11. Emergence of GOOGLE
Google was started in 1996/98.Around
2000 it rose to prominence by achieving
better search results for many searches
with an innovation called Page Rank.
7 important achievements of
Google:
1. Google adSense
2. Youtube
3. Google Maps
4. Gmail
5. Android
6. iPhone Search
7. Chrome

12. “Google’s mission is to organize the world’s
information and make it universally accessible
and useful.”

13. Top Rating Search
Engines:
1. Google
2. Bing
3. Yahoo!
4. Ask
5. AOL.

14. Conti…
6. My webSearch
7. Web Crawler
8. WOW
9. Info Seek
10. Blekko

15.  Using search engines for research:
1. Medical
2. Engineering
3. History
4. Computer skills (android & other computer
courses)
5. Software Industry
6. Literature
7. For Term Paper

16.  Using search engines for Entertainment:
1. Videos
2. Movies
3. Games
4. Health and Fitness sites
5. Social Networking sites

17.  Using search engines to shop:
 Cyber shopping(Amazon ,eBay and
Shopping.com)
 Cyber banking
 Trading companies
 Softwares