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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.
In a certain word game a player can buy vowels and consonants. The first vowel is free; each additional vowel cost $1. The first two consonants are free; each additional constant c
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Subject Name CIT2193 COMPUTER ARCHITECTURE Topic ASSIGNMENT Due Date 16 March 2012 Name : ……….…………………….……………….. Lecturer : ................................. Intake : ………………….
Ask queswhat is the advanages of eeprom?
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Digital Video Disks: DVD stands for Digital Video Disks or Digital Versatile Disks. A DVD stores much more data than a CD-ROM. Its capacities are 4.7GB, 8.5GB, and 20GB etc. T
what is computer mapped input / output
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QUESTION (a) (i) Why is the Random class in the .NET framework not suitable for generating random bytes for cryptography purposes? (ii) Mention two characteristics required
write and run the following programs using 8086 assembly language that interchange the upper and lower four bits of AL register.
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