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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.
Analogue to digital converter: In an ADC a range of input values must correspond to a unique digital word. The type of code used depends on the system but here only binary cod
Question 1 Discuss on "Platform as a Service" Question 2 Write a note on Accounting Services Question 3 Explain the different Software clients Question 4 D
Give birth to new life forms A research of Artificial Life will definitely throw light on what it means for a complex application to be 'alive'. Moreover, ALife researchers th
Write a program that lets the user play the game Rock, Paper, Scissors against the computer. The program should work as follows: ? When the program begins, the results of the prev
Magnetic tapes and Magnetic Disk: Magnetic tapes are very commonly used for storing large quantum of data for which rapid access is not necessary; specially for archival data
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 Widening Web The idea, the whole world is agog now had accidental origins. Here is how it all began. In early 1969, the U.S. Defence department financed a network fo
Estimate the mean deflection of the QRS complex in each of the six standard leads (I, II, III, aVR, aVL, aVF) in Figure 1 and then estimate the mean heart vector for the normal hea
what is charactersics of mobile computing
Electronic transmission Frequency: Frequency is the rate at which a wave or cycle alternates between high and low (analog mode) or on and off (digital mode). For example, the
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