Lesson 4 Quiz

Named memory locations whose contents can vary are called:

• expressions.

• variables.

• programs.

• algorithms.

Which of the following variable names is valid according to variable naming rules?

• First Name

• 1Name

• Phone#

• phoneNumber

Consider the following expression: Set grandTotal = Total + 2 If the Total variable has the value 5, what is the value of grandTotal after the expression is evaluated?

• Total2

• 3

• 7

• 5

Which of the following is used by the computer to determine how the data stored in a variable can be manipulated?

• Data type

• Name

• Operator

• Assignment

Which type of operator only returns the values true and false?

• Assignment

• Arithmetic

• Comparison

• Procedural

Which data type contains only two values and is used to compare conditions?

• Integer

• Boolean

• String

• Floating point

When you give a variable a starting value, it is called the variable.

• naming

• assigning

• declaring

• initializing

What is the function of the <= operator?

• Greater than or equal to

• Less than or equal to

• Not equal to

• And equal to

Which choice lists examples of logical (Boolean) operators?

• ++ , != , ||

• ! , && , %

• && , || , ||

• ++ , % , !

You must include this step along with initializing before you can use a variable.

• Evaluate

• Declare

• Compare

• Assign