If you are sharing a computer with others and have added building blocks you must restore Word to its ________ settings

One way to limit the effect of an untrusted program is confinement: controlling what processes have access to the untrusted program and what access the program has to other processes and data. Explain how confinement would apply to the earlier example of the program that computes the sum of the integers 1 to 10.

What will be an ideal response?

A class in which modifications to the implementation appear to be invisible to the user of the class is known as _________________.

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