Each user has a pin 4 characters long where each character is an uppercase letter, a lowercase letter, or a digit. Each password must contain at least one digit. How long will it take (these are, units of time) to check every possible character combination, if each check takes one unit of time, justify your answer.(Show all your computations to get the full points for the question).

The set of step-by-step instructions for accomplishing a task is called a(n) ____.

You use the ____ method to select all of the text contained in a text box.

In a nested selection structure, the ____ decision is always made by the outer selection structure.

The default radio button is designated by setting the Checked property to a value of True.

When the programmer wants to limit the user to one choice during input of mutually exclusive options, the ____ control should be used.

When a user selects a second CheckBox in a group, previously selected CheckBox items are deselected.

The If/ElseIf/Else selection structure needs only one End If statement to mark the end of the selection structure.

In a Case selection structure, you use the ____ keyword when you know only one end of the range.

Which of the following would be an appropriate use of a check box control?