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Types of Search Engine:
Some of the basic categories of Search engines are :
a. Primary Search Engines: Such search engines use web crawlers or spiders to traverse the web and scan websites for key words, phrases, to generate database of web pages having some indexing or classification. Google and Alta Vista are examples of primary search engines.
b. Web directory: Web directories organize information into categories and subcategories or directories. You can search a web directory for all those entries that contain a particular set of keywords. Directories differ from search engines in the way they organize information. Yahoo is an example of web directory.
c. Meta search engines: Such search engines pass your queries to many search engines and web directories and present summarized results to the users. Some of the examples of meta search engines are - Dogpile, Infind, Metacrawler, Metafind and Metasearch.
Differences between WCDMA and GSM
THE THIRD GENERATION (1966-1975) The introduction of IBM-360 series of computers in 1965 marked the beginning of this generation. The transistors were replaced by solid
Question 1 What are the various skills needed for broadcasting and film? Question 2 What is a 2 dimensional animations and 3 dimensional animations? Question 3 Different
Operating Systems: An operating system is a set of programs that manage computer hardware resources and provide common services for application software. There are following kind
Question (a) What is a view? (b) Can we use a view to insert or update a record into a table? Do we have any limitation to perform the above command? (c) The syntax to cr
need help with global alignment and local alignment for the sequences X and Y
• The SRT is the preemptive complement of SJF and helpful in time-sharing environment. • In SRT scheduling, the process with the least estimated run-time to completion is run next,
DIAGRMS OF TYPES OF LOCAL AREA NETWORK
ELECTRONIC EDUCATIONAL RESOURCES: In the present era, you can get access to a large number of electronic educational resources through the web. These resources may be on diffe
write advantages and disadvantages of private and public network
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