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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.
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What constitutes ERP? ERP typically comprises a client server architecture, fourth generation language, RDBMS and graphical user interface in an open systems environment. It
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Ask question #MiniA string S is said to be "Super ASCII", if it contains the character frequency equal to their ascii values. String will contain only lower case alphabets (''''a''
COMPUTER INPUT: Figure shows input information for a typical airborne digital computer. The sensors in Figure develop analogue electrical signals representing: -
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Source and Object Programs A set of instructions in a high-level language are called “Source program”. Since high-level languages are machine independent, it is required to fir
Hello i am a computer science student. now we are going to start our final project. we want to work on Google App Inventor and we want to create mobile application. we are two grou
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