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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.
Knowledge of the Environment We must distinguish between knowledge an agent receives through it's sensors and knowledge about the world from which the input comes. Knowledge a
The Internet is replete with great success stories and sad failures. While it is always nice to hear about the successes, more can probably be learned from the failures. In this ca
main task of sofware developper
Assembly language is fundamentally the local language of your computer. In principle the processor of your machine understands machine code (consisting of ones and zeroes). But wit
product of two numbers
Optical Fibres: Coaxial cables have limitations such as broadband transmission medium which can be overcome by the use of optical fibres. Optical fibres carry light waves (rep
number of 4 to 16 line decoders required to get 8 lto 256 line decoder
Statements in Python classically end with a new line. Python does, though, permit the use of the line continuation character (\) to denote that the line should continue. Illustrati
Research and Development All intellectual activities consciously pursued and systematically completed generate useful information. Research (also Research and Development) is
• 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,
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