When an address is stored in a memory cell, it is called a ____________ variable.

In a sorted array, the kth smallest item is given by ______.

a) anArray[k-1] b) anArray[k] c) anArray[SIZE-k] d) anArray[SIZE+k]

Data are exchanged with the processor from external memory through a _________.

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