To __________ data means to ensure that the data are in the proper range.

A(n) ___ is a named memory location whose value can vary.

A(n) ____ is a repeating flow of logic with no end.

When you write programs, you work with data in three different forms: ____.

If a is true and b is false, then ______________.

A ____ allows users to interact with a program in a graphical environment.

To __________ data means to ensure that the data are in the proper range.

A variable’s unknown value is commonly called ____.

A subscript is a(n) _____.