Unit 6: List, Loops, and Transversals

Which word means the same as "repeat".

• Iterate

• program

• loop

• for loop

Is used to repeat a specific block of code an unknown number of times, until a condition is met.

• Iteration

• Infinite Loop

• For Loop

• While Loop

Is used to repeat a specific block of code a known number of times.

• Iteration

• Infinite Loop

• For Loop

• While Loop

Read each scenario. In which would a loop be most helpful?

• Maura wants a program to perform a math operation one time.

• Jamila is programming a robot to hop once and then raise its arm once.

• Vinny wants a program to go through a list of 35 of his friends and remind each friend what time a study group starts.

• Damian is writing a program that will tell him what to wear depending on the weather.

adds one to variable x in a loop

• increment (x)

• x++;

• x=x;

• y+1;

What is the final sum after this loop executes

• sum = 5

• sum = 10

• sum = 15

Jasmine is writing a shopping app. She has created a variable to keep track of the number of items in the shopping cart. Every time someone clicks the "addItemButton", she would like the variable to increase by 1.

What code should Jasmine insert where it says <missing code> in order for her app to work?

• cart total = 1;

• cartTotal + 1;

• cartTotal = cartTotal +1;

• var cartTotal = cartTotal + 1;

• var cartTotal + 1;

Which of the following images is the most likely outcome of the drawing?

• 
• 
• 
• 

What is the output to the console after the following code segment is executed?

• 5

• 8

• 10

• 13

• Error. Cannot make a new variable x inside function increase()

Consider the following flow chart showing a process for program execution. Given that a = 5, and b = 10, what will be displayed by the program?

• a is bigger

• b

• 5

• 10

• Nothing will be displayed