Specialized search engines indexes content specialized by topic or location and are used to deliver more relevant results to the user. It indexes pages for particular topics. Examples of specialized search engines and their applications include;
1. Uquery.com – This new search engine focuses more on the emergence of iPhone and iPod touch applications
2. Taptu.com – A downloadable search engine that helps the user find items specific to fit on a mobile screen
3. Yahooligans – A sub-domain of yahoo that focuses on kid friendly games.
4. Pubmed.com – This is specifically meant for students in medical schools
5. Zillow.com – Online real estate service that provides information regarding home purchase.
Answer:
Answered below
Explanation:
Data values in a program are held in variables. Variables are like containers for holding different types of data. A variable can be identified depending on the kind of data it holds. Variables can hold data types of integers, strings, arrays, lists, sets, Boolean etc. They hold unique data types and a can not hold different data types. Different rules exist for naming variables in different programming languages. A variable name should start with lowercase letters and be descriptive of the data it holds.