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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.
What is an encoder? Draw the logic circuit of Decimal to BCD encoder and explain its working.?
THE FOURTH GENERATION (1975 ONWARDS) This generation of computers have one or more of the following characteristics: Semi-conductor memory instead of core memo
criteria for classifying computer files
"Just how are we capable to get a computer to performe intelligent tasks?" One thing to answer the question is to tell that: Logic generate a science out of many forms of re
Input/Output Services: Every operating system, large or small, provides input/output services for each device in the system. The operating system includes I/O device driver
The three main elements of the control unit are: 1. Decoder this is used to decode the instructions that create a program when they are being processed, and to establish in what ac
QUESTION (a) Consider the graph below, use the Flow Decomposition technique to list the cycles and paths produced. (b) Pr
ryby db fgrh herbgh buyh hehg gvo hb bbithbs bgshbshdgbh bubfvhb bs v h hjjg jdk jnmnv j
What is virtual memory? How address mapping is done in cache memory? Elaborate your answer with examples.
Algorithm : 1. Read the values of principal amount, time and rate of simple interest into the locations labelled as P, T, R. 2. Set the count T to 1 implying the end of a year. 3.
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