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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.
Open Systems Interconnection (OS1): As there are many different protocols for LANs and WANs, communication between two different systems can be difficult. The International St
The CPU has four internal registers, each of 16 bits. The first four, AX, BX, CX, and DX are common use registers and can also be used as 8 bit registers, if used in such a way it
Problem 1 Write a recursive function to find sum of even numbers from 2 to 50 Writing function and explanation Problem 2 What is structure? Explain how structu
Question: a) Illustrate, in detail, what is virtual memory? b) The Memory Management Unit is responsible for the translation of virtual addresses to their corresponding phy
Mobile telephone networks started with analog technology. Analog cellular networks were known as first generation (1G) networks. Such networks had limited capacity, and were subjec
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#quesetion..explain the concept of data transmission giving details of the transmission rate and bandwidth with details explanation of the transmission media
The role of array processor
what is the sql command to List all the join conditions or join paths (pairwise) existing between tables.
write an algorithm and psuedo code for the operation of the cramer`s rule
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