<h3><em><u>Importance of Mobile computing in communication</u></em></h3>
*It’s portable and easy-to-use.
*It helps for different communication and information exchange.
*It saves user’s time and effort.
*It provides quick services like online business, e-mail, e-fax, etc.
*It increases the social interaction by sharing location services and GPS system.
Answer:
c. This would reduce the number of tuples to involve in the join resulting in a more efficient query.
Explanation:
SQL or structured query language is a database querying language used to communicate or interact with databases. A database query could be as simple as returning all the columns from a database table to complex like joining several query results which in turn forms an algebra expression.
Every query statement or expression is executed with time, execution time needs to be minimized for efficiency, so, a well-arranged and reduced joining in the query improves the efficiency of the query.
Answer:
In technical terms, the HTML element happens to the collectible of a start tag, an end tag, attributes of the tag and everything that comes in between the start tag and the end tag. And whereas the HTML tag happens to be the opening or the closing, that is used for marking the beginning of the end of an element.
Explanation:
Please check the answer section.
Answer:
The answer is "Option A"
Explanation:
The rate of conversion is described as that of the ratio of users trying to land with your site, which finishes a required intervention. It is an e-commerce exchange rate.
- Its percentage of users to both the site who acquired it from your online marketplace in just a fixed time.
- According to the Android market, it is own by Google's for its implementation directory, in which several devices are free to download and use on their application, that's why its rate is 1.01%, and other choices were wrong.
