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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.
Selects among the processes in memory which are ready to execute & allocates the CPU to one of them CPU scheduling decisions can be taken place when a process: A. Terminates B. Swi
Problem a. Compare between file processing system and DBMS >>This is a comparison of DBMS with file processing system which the answer has to be searched from the GOOGLE an
This is a C file. 1. The program starts by printing your name with an end sign ">". For example, "NAME >"; 2. Then, you can type in a string. If the string is not "vi xxx", you pri
UNIX Shell and History feature. 1.Creating a child process. 2.Creating a history feature. Its exactly "programming project 1 - Unix Shell and History Feature (p.157-159)" in the Si
Hill Climbing - artificial intelligence: As we've seen, in some particular problems, searching the search path from primly to goal state is the point of the exercise. In anothe
Backup Storage: Back up (backing) storage, also termed external storage, is used to hold programs and data which are read into internal storage when required. The most common
FUNCTIONING OF A COMPUTER: Computers have undergone through a long history of evolution. The evolutionary history is often divided into mechanical and electronic era, with ele
#to determine whether given year is leap year or not
Debugging Once a program has been written, it has to be tested first to ensure that it is free of errors. It is very normal that any program written will contain mistake
Trap doors: This is a way of bypassing normal authentication procedure (windows/ operating system user name and password) to access a system. Once a system is compromised (impac
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