Dolphins have excellent eyesight and hearing. Underwater they use echolocation. Echolocation is kind of like sonar where dolphins make a sound and then listen to the echo. Their hearing is so sensitive to these echoes that they can almost see objects in the water by hearing. This allows dolphins to locate food in cloudy or dark water.
This is the latest accepted revision, reviewed on 16 April 2017. Source code of a simple computer program written in the C programming language, which will output the Hello, world! message when compiled and run. A programming language is a formal computer language designed to communicate instructions to a machine, particularly a computer.
What Programming language used for the web? Several languages are used. The initial version of the World Wide Web defined HTML. Since then several back-end languages have been defined that run on servers; PHP and ASPXâ¦ are the most common with varieties of Visual Basic and Visual C# being used alongside ASPX.