this a ppt on search engine this includes types of Search engine etc

1. SEARCH ENGINE
By:
PRANAY BHARGAVA
Class: P5

2. CONTENT
•
Definition of Search Engines
Some examples of Search Engine
Types of search engine
History of search engine
Importance of search engine
Advantages of search engine
Disadvantages of search engine

3. WHAT IS SEARCH ENGINE
• A search engine is a web based tool that enables users to locate
information on the world wide web. Popular examples of search engine are
Google ,Yahoo! and MSN search.
• Search engine utilize automated software applications that travel along the
Web, following links from page to page, sites to sites.
• The information gathered by the spiders is used to create a
searchable index of the Web.

4. SOME EXAMPLES OF SEARCH ENGINE

5. TYPES OF SEARCH ENGINE
There are four main types of search engine tools:
• Crawled based search engine.
• Search directories or indexes.
• Hybrid search engines.
• Meta search engine.

6. HISTORY OF SEARCH ENGINE
• The First tool used for searching in the internet was Archie in 1990Alan
Emtage.
• In1991,tow new search programs Verconica and jughead.
• In September 1993.WcCatalog was the first web primitive search engine

7. IMPORTANCE OF SEARCH ENGINE
Search image are important because with over 8 billion web pages available,
It would be impossible to search for the information that is specifically
needed.
This is why search engines are used to filter the information that is on the
internet and transform it into results that each individual can easily access
and use within the matter of seconds.

8. ADVANTAGES OF SEARCH ENGINES
 Enable to quick search to vast amount of information from one search
box.
 Search on a specific type or piece of information is possible.
 Different types of search engines enable to look for specific types of
documents.

9. DISADVANTAGES OF SEARCH ENGINES
Creates information overload.
Semantic search is not possible.
Privacy and security is of concern.
Makes everyone to dependent.