The ____ multiprocessing configuration is the most difficult to implement because the processes must be well synchronized to avoid races and deadlocks.

Which of the following statements about abstract base classes is true?

a) abstract base classes may contain data. b) abstract base classes may not contain implementations of methods. c) abstract base classes must declare all methods as abstract. d) abstract base classes must declare all data members not given values as abstract.

Iterative solutions are always possible. Why then, would we bother with recursive solutions to problems? What advantages do some recursive algorithms have over the iterative versions?

What will be an ideal response?