CodeHS Unit 1: Introduction to
Programming with Karel Questions and
Answers 100% Pass
What is Karel the Robot?
✔✔Karel the Robot is a virtual robot used to teach basic programming concepts, where you
control Karel's movement and actions through commands.
How do you make Karel move forward?
✔✔You use the `move()` command to make Karel move forward one step.
What command does Karel use to turn left?
✔✔Karel uses the `turnLeft()` command to turn 90 degrees to the left.
What is the purpose of the `putBall()` command in Karel?
✔✔The `putBall()` command places a ball at Karel’s current location.
What command is used to pick up a ball in Karel's world?
✔✔The `pickBall()` command is used to remove a ball from Karel’s current location.
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, How do you make Karel turn 90 degrees right in its environment?
✔✔Karel does not have a `turnRight()` command directly; however, you can achieve this by
using three `turnLeft()` commands in a row.
What is a loop in Karel’s programming world?
✔✔A loop is a set of instructions that Karel repeats until a specific condition is met, such as a
`while` or `for` loop.
How do you check if Karel is facing a wall?
✔✔You can use the `frontIsBlocked()` command to check if Karel’s path is blocked by a wall.
What command would Karel use to stop moving?
✔✔There is no direct command to stop Karel; Karel stops moving when there are no further
commands in the program.
How do you make Karel repeat a set of instructions multiple times?
✔✔You can use a `repeat` loop to make Karel repeat a specific set of instructions a given
number of times.
2
Programming with Karel Questions and
Answers 100% Pass
What is Karel the Robot?
✔✔Karel the Robot is a virtual robot used to teach basic programming concepts, where you
control Karel's movement and actions through commands.
How do you make Karel move forward?
✔✔You use the `move()` command to make Karel move forward one step.
What command does Karel use to turn left?
✔✔Karel uses the `turnLeft()` command to turn 90 degrees to the left.
What is the purpose of the `putBall()` command in Karel?
✔✔The `putBall()` command places a ball at Karel’s current location.
What command is used to pick up a ball in Karel's world?
✔✔The `pickBall()` command is used to remove a ball from Karel’s current location.
1
, How do you make Karel turn 90 degrees right in its environment?
✔✔Karel does not have a `turnRight()` command directly; however, you can achieve this by
using three `turnLeft()` commands in a row.
What is a loop in Karel’s programming world?
✔✔A loop is a set of instructions that Karel repeats until a specific condition is met, such as a
`while` or `for` loop.
How do you check if Karel is facing a wall?
✔✔You can use the `frontIsBlocked()` command to check if Karel’s path is blocked by a wall.
What command would Karel use to stop moving?
✔✔There is no direct command to stop Karel; Karel stops moving when there are no further
commands in the program.
How do you make Karel repeat a set of instructions multiple times?
✔✔You can use a `repeat` loop to make Karel repeat a specific set of instructions a given
number of times.
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