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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.
outline and explain in detail any 10 application areas of vb.net
list the function of database management system
(iv) Suppose that the TCP entity receives a 1.5 megabyte file from the application layer and that the IP layer is willing to carry blocks of maximum size 1500 bytes. Calculate the
explain ipx for lan and spx
#write a c program to print ant and rod #
SPECIAL-PURPOSE AND GENERAL-PURPOSE COMPUTERS In general, there are two types of digital computers. The first is the special-purpose digital computer, which performs a f
Library function : These are the functions supplied with the programming language. The code or definition of library functions does not have to be written in a user program w
Problem 1 Research designs have a critical and directive role to play in the research process. Explain the meaning of research design. Describe the various types of research de
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 w
Online Searching: The real difference between manual searching and online searching lies, according to William A. Katz, in the mechanics and the jargon of the latter. However,
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