Exam 4: Variables and Arithmetic Operations

The maximum size of a TextBox object often is determined by the design of the user interface, so it looks and feels good in the user interface.

A prefix of ____ is used to denote a variable defined as a Char data type.

When setting up a mask for a MaskedTextBox object, select the Use Validating Type check box to cause the object to verify that the user entered valid numeric data.

The Double data type can store a ____.

Case 4-1 Brian is trying his best to understand the concept of variable scope, so he calls his friend Molly for guidance. Brian has defined a variable named strNumberOfSongs within the click event handle for a Submit button, and he has been frustrated in his efforts to refer to this variable in the click event handler for a Clear button. What does Molly tell him is going on?

By default, a text box will display as many lines of text as the user enters.

A variable is ____.

A(n) ____ Exception occurs when a calculation creates a value larger than one that can be processed by a procedure.

The ampersand character at the end of a line in the code editor indicates that the line of code continues on the next line.

Users always follow the expected path.

A ____ can be represented by using the Char data type.

A local variable is a variable that can only be accessed in the region in which it was defined.

A(n) PredefinedTextBox object can be used to control the format of data that a user enters.

Used with the ToString function, the ____ format specifier will display the value 8976.43561 as 8976.44.

The character D is the literal-type character for the ____ data type.

In an assignment statement, the value to the right of the equal sign will be ____________________ to the variable on the left.

The ____ statement prevents automatic conversion of data types.

The variable name on the left of an assignment statement is the variable that receives the data that results from the evaluation of the expression on the right side of the assignment statement.

A variable that will be used to contain only nondecimal whole numbers should be declared as a(n) ____ data type.

A(n) ____________________ procedure does not return a value.