Any message that can be sent to a superclass object can also be sent to a subclass object.

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

1. One of the traditional ways of describing processor architecture is in terms of the number of addresses contained in each instruction. 2. Memory references are faster than register references. 3. The instruction set is the programmer’s means of controlling the processor. 4. Addresses are a form of data. 5. Not all machine languages include numeric data types.

In a dequeue operation, the element at the __________ of the queue is removed.

a. middle b. front c. declaration d. rear e. None of these