JavaScript Karel Unit 1 Quiz Study Guide

Which of the following commands is a valid Karel command?

• move

• move;

• move();

• move()

Why is the following command an invalid Karel command?

turnleft();

• 1. It should end in a colon rather than a semicolon

• 1. The l should be a capital L

• 1. It should start with a capital T

• 1. This command is correct

Which of the following is the correct way to define a turnRight function in Karel?

• 
• 
• 
• 

Why do we use functions in Karel programs?

• 1. Break down our program into smaller parts

• 1. Avoid repeating code

• 1. Make our program more readable

• 1. All of the above

If Karel starts at Row 1 and Column 1, facing East, where will Karel be, and what direction will Karel be facing after running the following code? (Assume the world is 10x10 in size)

**Click the image**

• 1. Row 3, Column 1, Facing North

• 1. Row 1, Column 4, Facing North

• 1. Row 1, Column 3, Facing South

• 1. Row 1, Column 3, Facing North

Karel starts at Row 1 and Column 1, facing East. After calling the stairStep function twice, where will Karel be and what direction will Karel be facing? (assume this is a SuperKarel program and the world is 10x10 in size)

**Click the image**

• 1. Row 2, Column 2, Facing North

• 1. Row 3, Column 3, Facing East

• 1. Row 3, Column 3, Facing West

• 1. Row 4, Column 4, Facing East

In this code, how many times is the dance function called and how many times is it defined?

**Click the picture**

• 1. Called 1 time, defined 1 time

• 1. Called 1 time, defined 3 times

• 1. Called 3 times, defined 1 time

• 1. Called 3 times, defined 3 times

What’s wrong with this code?

**Click the Picture**

• 1. The go function is called twice

• 1. The go function has a syntax error

• 1. The go function has been defined twice

• 1. go is not a command that Karel understands

How many total times will Karel move in this program?

**Click the Picture**

• 1

• 5

• 6

• 7

What is wrong with this for loop

**Click the Picture**

• The for loop uses commas instead of semicolons

• It should say i++ instead of i + 1

• Both answers above

• 1. The for loop is correct