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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.
A Doctor Module Doctor has a list of the patients waiting for consultation. The doctor's module should include all the following details: Fields for common complaint
Question 1 . What is an array? Explain Question 2 . What do you mean by optional arguments? Describe Question 3 . Describe in brief about interfaces Question 4
Choice of Medium: All the transmission channels discussed in the foregoing paragraphs can be used as point to point connections or as broadcast systems. Transmitting informati
The system bus is a cable which carries data communication among the major components of the computer, as well as the microprocessor. Not all of the communication that uses the bus
what is its syntax
I have an assignment i need it to get it done How much would I be charged for that?
To satisfy client needs through proxy server and not through main server, as some other user have already accessed that file and its copied to the proxy server, so next time a user
requirement analysis and specification for online voting
What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.
explain the function of each block in the block diagram of micro-computer
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