Unit 4 - Variables, Conditionals, Functions

What will be the order of letters printed to the console when this program is run?

• a b c

• a b c b c b c

• a b c b c

• a b c a

This function chooses the screen to display based on the score. What is the correct way to call this function?

• 
• 
• 
• 

What will the value of the variable bags be at the end of the flowchart shown here?

• 1

• 2

• 3

• 4

Choose the correct definition for Conditional Statement.

• affects the sequential flow of control by executing different statements based on the value of a Boolean expression

• stores information as a number, String, or Boolean

• joins together two or more strings end-to-end to make a new string

• an ordered sequence of characters

What number will be output by the console.log command on line 7?

• 10

• 100

• 20

• 200

This flowchart is used by an apartment rental Web site to set the variable "include" to "true" for apartments that meet certain criteria.

• 
• 
• 
• 

The variable age is to be used to represent a person’s age, in years. Which of the following is the most appropriate data type for age ?

• boolean

• number

• string

• list

A teacher is writing a code segment that will use variables to represent a student’s name and whether or not the student is currently absent. Which of the following variables are most appropriate for the code segment?

• A string variable named s and a Boolean variable named a

• A string variable named s and a numeric variable named n

• A string variable named studentName and a Boolean variable named isAbsent

• A string variable named studentName and a numeric variable named numAbsences

Which of the following are benefits of using well-named variables in a computer program?

Select two answers.

• The program will run faster.

• The program will be easier for people to read.

• The program will have a greater data storage capacity.

• he program will be easier to modify in the future.

If the value of x is 3 and the value of y is 5, what is displayed as a result of executing the code segment?

• -2

• 2

• 8

• Nothing will be displayed.