Typically you won't use C to write games, particularly non-trivial games. C++ is the language of choice for most game developers.
Write and run a client and a server program in C-language using UDP
Yes, you can write a program in C language which connects to a database.
C is something you write in, not an application.
You can write computer-programs in it.
Yes.
c# AND VB AND C++
You don't write an algorithm for a C++ program, unless you are documenting the C++ program after-the-fact. The normal procedure is to write the algorithm first, in a language independent fashion, and then translate that stated algorithm into C++ code, or into whatever language you wish.
You will be able to understand C programs. Also to write C programs.
to implement operations on binary heap in c
C++
C / C++ is the easiest programing language in game making. It's use for very basic games though.