A direct access file is also known as a random access file.

In a flowchart, the diamond symbol indicates some condition that must be tested.

In order for a program to work with a file on the computer’s disk, the program’s code must create a file object in memory.

When keeping a running total, the accumulator variable can start with any value and still contain the correct total when the loop finishes.

Variables of the double data type are commonly used as flags.

C# does not allow operations that mix the decimal and double data types unless you use a cast operator to explicitly convert one of the operands.

If all statements in a try block execute with no exception, the catch block is skipped.

RadioButton controls are grouped according to the container in which they are placed.

A well-designed program should validate the contents of multiple TextBoxes in a single statement.

Check boxes are similar to radio buttons in that they are both mutually exclusive.