A __________ module controls the exchange of data between main memory and an I/O module.

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

1) Local variables are initialized to their default values. 2) Attempting to use an uninitialized local variable is a runtime error. 3) It’s always better to get the errors out of your programs at execution time, if possible, rather than at compilation time. 4) The benefits of data integrity are automatic when instance variables are made private.

The keyword is required at the end of each non-empty case.

a) endcase b) default c) switch d) break