Please enable JavaScript.
Coggle requires JavaScript to display documents.
INFORMATION AT YOUR FINGERTIPS (Is best explained through an analogy to a…
INFORMATION AT YOUR FINGERTIPS
Is best explained through an analogy to a book
Browsing
Leaf through a book
Searching
Select a topic and open to the indicated page
For find information on the Net
2 most popular approaces
Search engines
Operate differently from indexes
You search through them as you would in a database
By typing keywords that describe the information you want
Are all composed of three parts
One spider
Crawls across the internet gathering information
A database
Contains all the information the spider gather
A search tool
People use to search through database
Depending size and complexity
It uses longer time
Engineers developed a software called Meta search
You type a search on your computer
The software sends many agents out onto the internet simultaneously
Index
Yahoo!
Present a highly structured
Browsers through information by categories
In a web browser you click a category
Subcategories might appear
Arts, computers, etc..