ICAST Online Tutorial .... 

Internet

The Internet, that fast-growing worldwide network of computers and electronic documents, is entering daily into more and more areas of life, while itself being changed and developed all the time Here we will be introduced to


Searching the World Wide Web using a range of tools Tools of web based searching including search engines

Search engines
When you have the web address (sometimes called URL - Uniform Resource Locator) of the site you want to go to, e.g. http://www.cmmacs.ernet.ac.in/icast), you can reach that site directly by entering that address in the Location box. Search engines treat your keywords or phrases according to the rules they are programmed to use. They provide lists of web documents that contain somewhere within them some or all - as the case
may be - of those keywords or phrases. The largest and most powerful search engines can search on hundreds of millions of web documents - though not the whole World Wide Web.

Directories

Web directories group and classify a limited number of webpages by subject. They start off with very broad categories - e.g. Arts, Society, Business, Health, etc - which are then divided and subdivided into narrower categories till you get to lists of individual websites, e.g. (in Yahoo): Science > Engineering > Aeronautics and Aerospace> Aviation >Aircraft > Rotorcraft > Military> AH-1W Super Cobra Helicopter - This is an individual website provides specifications and general information of AH-1W Super Cobra Helicopter Web guides

There are various subject gateways and guides to Internet resources on particular subject areas.

For example PINAKES.


Searching the World Wide Web gets easier with practice!

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Access to world wide portal for Aerospace Science & Technolgy
Access to world wide portal for Aerospace Science & Technolgy

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