CodeHS - Unit 6 - Programming with Karel

Which of the following commands is a valid

Karel command?

• move

• move;

• move();

• move()

What makes the following command an invalid Karel command?

turnleft();

• It should end in a colon rather than a semicolon

• The l should be a capital L

• It should start with a capital T

• This command is correct

Why do we use functions in Karel programs?

• Break down our program into smaller parts

• Avoid repeating code

• Make our program more readable

• All of the above

Why does a programmer indent their code?

• Helps show the structure of the code.

• Easier for other people to understand.

• A key part of good programming style!

• All of the above

How can we teach Karel new commands?

• For loop

• While loop

• Define a new function

• The start function

How many times is the start function called?

• 0

• 1

• 2

• 463

How many times is the start function defined?

• 0

• 1

• 2

• As many as is needed

Karel

• what should be true after the function is called
• a dog who listens to your commands
• the commands contained within the brackets of a function
• the function that is called when you click RUN

Top Down Design

• the function that is called when you click RUN
• a method for breaking our program down into smaller parts
• breaking your program into smaller parts
• a note about your code describing what it is doing so others can understand it

Comment

• a dog who listens to your commands
• breaking your program into smaller parts
• a note about your code describing what it is doing so others can understand it
• allows you to repeat a section of code a fixed number of times