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4. Choose the block which is triggered automatically when the project starts.

(i) when I receive (ii) broadcast

(iii) when started (iv) broadcast and wait

5. Which block is used to add notes or explanations within the code?

(i) Variable (ii) Event

(iii) Comment (iv) Control

B. Write ‘T’ for true and ‘F’ for false.

1. The Magnet block is used to control the magnet's power in your program.

2. Repeat block repeats the enclosed code only once and then stops automatically.

3. Control blocks are used to change the colour and speed of the robot’s movement.

4. The myVariable block refers to a custom variable that you create in your project.

5. Event blocks help the robot react to inputs or events, making the programming
more interactive and dynamic.

C. Fill in the blanks using the given hints:

1. In VEXcode VR, a is a tool that helps the robot understand
what’s around it. Hints
Boost, Drop
2. Magnet block has the option to set the magnet’s power to Sensor
or . Operators
Console
3. The acts as a virtual display screen that shows the Coordinates
output of your program.

4. are used to perform calculations within your program.
5. The Number Grid Map helps you practise navigation and control using .

COMPETENCY-BASED QUESTIONS

1. A student wants to program a VEXcode VR robot to collect objects from the Coral Reef
Cleanup playground and avoid obstacles on its path. Which sensors should the student use
and why?

2. Riya wants her VEXcode VR robot to stop whenever it touches a wall and then turn to move in
another direction. Which sensor should she use and how will it help?

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