C - Compiled language, imperative, pretty basic constructs (no OO, no GC), basically portable Assembly C+ - No idea. C++ - C with a bunch of stuff added on (m

C - Compiled language, imperative, pretty basic constructs (no OO, no GC), basically portable Assembly C+ - No idea. C++ - C with a bunch of stuff added on (mainly OO, other goodies too). Still no GC. C# - not related to C at all. It's basically Microsoft's Java, with GC, OO, higher level constructs, lots of sugar, etc...