A database is basically a repository of data which is devised in order to support efficient data storage. In addition to data storage, a database also assists in retrieval and maintenance of data stored in it...

Ruby is a powerful programming language, whereas Ruby on Rails is a web framework based on Ruby programming language. It is used for developing data based websites.

Ice Cream Sandwich and Jelly Bean Android are most known and renowned mobile operating android systems. Ice Cream Sandwich (4.0-4.0.4) was launched before the Jelly Bean Android (4.1-4.3). While the Jelly Bean...

A tablet can be considered as a lighter and smaller version of a laptop. On the other hand, an e-reader has been specifically designed for downloading and reading electronic copies of e-books, magazines, etc....

Software testing assesses the quality of the product. Basically, it is carried out to detect the difference between given input and expected output. There are various testing techniques distributed among the...