EV3 Data Wires Quiz

What is the primary function of a data wire in EV3?

• To store data permanently

• To power the EV3 brick

• To send information between blocks

• To connect two motors

What must be true about the block output and input when using a data wire?

• They can be of any data type

• They must be of different data types

• They must be connected directly

• They must have the same data type or be compatible

How do you create a data wire?

• By clicking on the block input

• By connecting wires physically

• By typing a command

• By dragging from an output to an input

What happens when you delete a data wire?

• The block input value is lost

• The input value is restored to what was entered directly

• The program stops running

• The data wire cannot be recreated

How can you display the value of a data wire while a program is running?

• By positioning the mouse cursor over the data wire

• By clicking the block output

• By restarting the program

• By pressing a button on the EV3 brick

What type of data can a data wire carry?

• Only numerical values

• Only text values

• Various types of values based on block types

• Only boolean values

In the challenge, what should the robot do when it hits a button on the brick?

• Stop moving

• Change direction

• Display an error message

• Increase speed

What is the first step in the challenge to make the robot drive forward?

• Wire the Sensor Block’s output

• Turn the motors on in a Steering Block

• Exit the loop

• Add a Color Sensor block

What mode should the Display Block be in according to the challenge?

• Grid Only Mode

• Text Only Mode

• Wireless, Image Mode

• Wired, Text Grid Modes

What does the Color Sensor block do in the challenge?

• Detects colors and sends data

• Stops the robot

• Controls the speed of the robot

• Powers the motors