Computer Science Exam 2

First Name

Last Name

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

What commands does SuperKarel know that regular Karel does not?

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

What is the best 'way for Karel to move 10 times?

• A
• B
• C
• D

Why do we use if statements in JavaScript?

• To break out of some block of code
• To do something only if a condition is true
• To do something while a condition is true
• To repeat something for a fixed number of times

Which general if statement definition is written correctly?

• A
• B
• C
• D

What does an if/else statement look like in JavaScript?

• A
• B
• C
• D

Which general while loop definition is written correctly?

• A
• B
• C
• D

Why do we use while loops in JavaScript?

• To break out of some block of code
• To do something if a condition is true
• To repeat some code while a condition is true
• To repeat something for a fixed number of times