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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.
You can also allocate a single value to several variables at the same time. For instance: X=y=z =1 Now, an integer object is generated with the value 1, and all three variables are
Diskless workstations: Most people assume that the operating system is stored on a disk that is connected directly to the computer, but this is not necessarily true. If the
Keyboards, microphones, and mice have generally been used as the standard input devices for most computer systems. The popularity of video and computer games has led to the introdu
Do you offer application programming? Please suggest?
Assume |s1|=|s2|=n and consider the functions defined, for any s1 and s2, as: (a) G1(s1,s2)=s1 xor s2, (b) G2(s1,s2)=(s1, s2, s1 xor s2). We have that: A. G1 and G2 are pseudo-ra
n-ary relationships in database design Each n-ary where n>2 relationship type is maped into a table name of the relationship works as the name of the table. The primary key of suc
What is a computer??
NETWORKING AND TELECOMMUNICATIONS: Computers can now communicate with each other and with a range of peripheral devices, over distances with increasing speed and reliability.
ython variables do not comprise to be explicitly declared to already reserve memory space. The declaration occurs automatically when you allocate a value to a variable. The equal s
Fahrenheit to celsius convertion
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