Unit 1 CodeHS Review

Which of these is the largest planet in the Solar System?

• Earth
• Mars
• Mercury
• Jupiter

Which one of these is NOT a command that Karel knows?

• Turn Right
• Move Forward
• Turn Left
• Put Down a Ball

Which of these is a valid Karel command?

• move()
• move
• MOVE
• move(1)

What is a street in a Karel world?

• A row
• A column
• A single point
• Karel’s position

What is an avenue in a Karel world?

• A column
• A row
• A single point
• Karel’s position

What can be used to teach Karel to turn right?

• Functions
• Variables
• Dog treats
• Karel can already turn right

How many times should Karel turn left in order to turn right?

• 3
• 1
• 2
• 4

Why do we use functions in programming?

• All of the above
• Break down our program into smaller parts
• Avoid repeating code
• Make our program more readable

What is top down design?

• Top down design is a way of designing your program by starting with the biggest problem and breaking it down into smaller and smaller pieces that are easier to solve.
• Top down design is a way that you can create designs on a computer to put on a web page
• Top down design is a way of designing your programs starting with the individual commands first
• Top down design is a way to use loops and classes to decompose the problem

What is a code comment?

• A way to give notes to the reader to explain what your code is doing
• A way to teach Karel a new word
• A message to your teacher in code
• A place to write whatever you want in your code