_________ defines a number of techniques for key management.

A(n) MIDI composition lasting several minutes is less than 20 kilobytes in size, while a similar file in WAV format would be several megabytes in size.

Answer the following statement true (T) or false (F)

C# is an object-oriented language as such all the code that you write has to be placed in a(n) ____________.

Fill in the blank(s) with the appropriate word(s).