Loops, Lists, and Traversals

What is the word used to describe repetition in programming?

• Sequence
• Selection
• Iteration
• Coding

What does this code do?

• Moves forward 1 time

• Moves forward forever

• Moves forward 5 times

• Moves left

What shape does this code make?

• Rectangle

• Triangle

• Square

• Circle

For this scenario related to turtle/robot drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task:

Drawing a hexagon (six-sided shape)

• Loop

• Function

For this scenario related to turtle/robot drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task:

Drawing out the letters of a word "HELLO"

• Loop

• Function

For this scenario related to turtle/robot drawing, indicate whether it is better to write a loop or a function (or a set of functions) to handle the task:

Drawing 100 tiny dots in a line.

• Loop

• Function

What is a possible output when the following code segment executes? The ending position of the turtle is shown in each diagram. The starting position is shown as a white triangle in cases where the turtle starts and ends in different locations.

• 
• 
• 
• 
• 

A Boolean expression is an expression that evaluates to which of the of the following?

• Yes/Maybe/No

• True/False

• Any Integer

• Integers between 1 and 10

• Any single character

• 
• 
• 
• 
• 

Which of the following is true about while loops ?

• While loops terminate after a fixed number of loops that is pre-determined

• While loops terminate after a fixed number of loops that is determined after the loop executes once.

• While loops run as long as a given boolean condition is true.

• While loops run as long as a given boolean condition is false.

• While loops are known as "forever loops" and never stop until the program is halted by the user.

  Answer