Programming with Karel Unit 3 - 3.7 - 3.12 Quiz

How do you write a single-line comment?

• comment //
• ++ comment
• // comment
• ** comment

What is a code comment?

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

How do you write a multi-line comment?

• /* comment */
• // comment
• ** comment
• # comment#

The assumptions we make and what must be true before the function is called is known as?

• Precondition
• Postcondition
• Adaptation
• Comments

Each of the following answer choices describes a basketball game. Which answer choice describes the game with the lowest level of abstraction:

• The Warriors won by 10 points.
• The Warriors had an early lead, but were down by 4 at halftime. They tied it up in the 4th quarter and the game went into overtime. They won by 10 points in overtime.
• First, Steph Curry jumped in the air and grabbed the ball. Then he dribbled it three times and passed it to Klay Thompson…
• First, Steph Curry flexed his left and right quad muscles at the exact same time, then he flexed each muscle in his fingers…

You need to write a program that has Karel move if the front is clear, but if it isn’t clear, Karel will do nothing. Which control structure do you need to use?

• For Loop
• While Loop
• If Statement
• None of these

Define Abstraction

• Breaking a task into smaller tasks.
• Drawing a map to show how to reach a destination.
• Creating step by step instructions.
• Focusing on what is important and ignoring what is unnecessary.

Karel needs to pick up a pile of tennis balls. Which of the following start functions solves the problem at the highest level of abstraction?

• 
• 
• 
• 

What commands does SuperKarel know that regular Karel does not?

• turnLeft() and jump()
• turnRight() and jump()
• turnAround() and turnRight()
• turnAround() and jump()

Your program has good style when you have broken down the problem in a reasonable way, and made your code clear to others.

• True
• False