A Swiss scientist by the name of Horace de Saussure designed and built the primary photo voltaic collector in 1767. Kinds of projects: C++ programmers usually focus on functions that work immediately with hardware or that want higher performance than different languages can provide. C++ programs embrace server-side applications, networking, gaming, and even device drivers in your LAPTOP. C# is mostly used for internet, cellular and desktop applications. The ” howdy, world ” example, which appeared in the first edition of Ok&R , has turn out to be the model for an introductory program in most programming textbooks. This system prints “hi there, world” to the usual output , which is often a terminal or screen display.