The more you increase the number of undo levels, the more of your computer's ________ is used to store the undo history

The ___________________ instruction causes a set of instructions to execute as long as a specified Boolean expression is true.

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

The exception facility should be used when

a) Some resource is unavailable to the compiler b) A program encounters an error and cannot recover, but needs to shut down gracefully, perhaps saving work.. c) A program requests a resource that is not available. d) Array index value is out-of-bounds e) A programmer calls the wrong function f) A division by zero occurs g) There is a compiler detected error h) A call to operator new fails to allocate memory from free store i) An arithmetic error occurs