Exam 5: Making Decisions in a Program

When do you use a selection structure?

Comparison operators are also referred to as ____ operators.

Programmers refer to the process of verifying that the input data is within the expected range as ____.

You can divide by zero in Visual Basic with no problems.

You use the ____ method to convert a string to uppercase.

The diamond in a flowchart is called the decision symbol, because it is used to represent the condition in both the selection and repetition structures.

You do not always need to include the ____ clause in an If ... Then ... Else statement.

The ____________________ structure indicates that a decision (based on some condition) needs to be made before any further processing can occur.

Comparison operators have an order of precedence.

When you use the ____ operator to combine two sub-conditions, the resulting compound condition evaluates to True only when both sub-conditions are True .

The set of statements contained in each path of the If...Then...Else statement is referred to as a(n) ____.

If the intAge variable contains the number 30 , the condition If intAge > 20 AndAlso intAge will evaluate to

You use the ____ method to convert a string to lowercase.

Visual Basic provides the ____ statement for coding single-alternative and dual-alternative selection structures.

____________________ tables summarize how the computer evaluates the logical operators in an expression.

The condition in a selection structure must evaluate to either a True or False answer only.

You use the ____ operator to connect or link together strings.

Explain what happens when you use the OrElse operator.

Variables declared within a statement block are referred to as ____ variables.

A(n) ______________________________ is a device that produces a sequence of numbers that are sufficiently random for practical purposes.