__________ exists when instructions in a sequence are independent and thus can be executed in parallel by overlapping.

has become popular because it enables programmers to create applications using prepackaged graphical components.

a) Pascal b) C# c) Object-oriented programming d) Visual programming

A stack is referred to as a(n) _____________ data structure, because the last node inserted is the first node removed.

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