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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.
hitory and genration of computer
Which applications require TCP and why? Also specify which applications require UDP and why? A4) TCP is also known as connection-oriented: setup required between client and server
basic of internet history
Question 1 Write a note on modems Question 2 What are the Safe Chatting Rules Question 3 Explain three basic kinds of hypertext links Question 4 Write a no
Concept of operating system: An operating system is an essential software component of a computer system. The basic objectives of an operating system are to make the computer
Compare and contrast two qualitative analysis approaches. You must select two that are a true contast eg CAQADS (say leximancer ) v discourse analysis or thematic analysis by hand
Question 1 Explain the protection features of MS Access? 2 What is Query Parameter? 3 What are the steps to be taken for improving performance of Microsoft Access database? 4 W
The architecture of the x86 processors forces with the use of memory segments to direct the information, the size of these segments is of 64kb. The cause of being of these segments
4. Provide a list of productid’s, the name of the vendor and their credit rating. The results should be ordered by last name and then by credit rating. Write out the SQL that wo
what is cpu
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