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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.
• It is also known as Shortest-Process-Next (SPN). • Shortest-Job-First (SJF) is a non-preemptive order in which waiting job (or process) with the smallest predictable run-time-to-
QUESTION (a) Consider the graph below, use the Flow Decomposition technique to list the cycles and paths produced. (b) Pr
7. Name and explain the action in Conceptual Dependency which refers to a transfer of possession.
differance between multiaccess and multitasking
QUESTION (a) Distinguish between S-HTTP and SSL (b) What are the three basic security provided by SSL? (c) Discuss the limitations of SSL (d) State the port number us
Depth First Search-Artificial intelligence: Depth first search is similar to breadth first, except that things are added to the top of the plan rather than the bottom. In our
Conditional statement: An If statement is composed of three parts. The first part should be keyword w.r.t language to convey to the computer that it is if statement. And a Bo
#whatis cai?and its pit fallsquestion..
1. What is Evaluating Information System Investments? 2. Is IS evaluation different to evaluation of other investments? 3. What approaches are used to evaluate IS investments
Software Computer cannot be used without a software in it. It is the software which gives instructions to the hardware of the computer so as to work all devices in tande
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