Question 1

Which of the following best describes how the Distance Sensor works?

Accepted Answer

The Distance Sensor uses the time it takes for ultrasonic waves to bounce off of an object and return to the sensor.

Answer

The Distance Sensor uses the time it takes for the VR Robot to reach all objects in the Playground.

Answer

The Distance Sensor uses the time it takes for ultrasonic waves to reach an object from the sensor.

Answer

The Distance Sensor uses the time it takes for ultrasonic waves to bounce off yellow and orange objects and return to the sensor.

Question 2

Which of the following best describes what the Distance Sensor reports?

Accepted Answer

The distance between the VR Robot and the nearest solid object.

Answer

The distance between the VR Robot and the Distance Sensor.

Answer

The time it takes the VR Robot to travel around the entire playground.

Answer

The total distance the VR Robot travels.

Question 3

Which of the following is the best description of what a <Less than> block reports while inside of a [Wait until] block?

Accepted Answer

A TRUE or FALSE value.

Answer

The total time needed to run the project.

Answer

The total time the VR Robot has until it reaches an object.

Answer

If the distance is a large number.

Question 4

In this example project the VR Robot should get to the number "2" in the Wall Maze, but it does not. Which of the following describes the error in this project?

Accepted Answer

A block was used instead of a Block.

Answer

A [Turn to rotation] block is missing.

Answer

A [Turn for] block was used instead of [Turn] block.

Answer

A [Drive for] block is missing.

Question 5

Which of the following describes how the VR Robot will move in this project?

Accepted Answer

The VR Robot will start driving and stop when the Distance Sensor is less than 150 millimeters (mm) away from an object.

Answer

The VR Robot will drive 150 millimeters (mm) then stop.

Answer

The VR Robot will drive forward, stop, drive forward again for 150 millimeters (mm) then stop.

Answer

The VR Robot will start driving and stop when the Distance Sensor is greater than 150 millimeters (mm) away from an object.

Question 6

How can you monitor the value of the Distance Sensor in the Monitor Console?

Accepted Answer

Select the checkbox next to the <Distance found object> or (Distance from) block.

Answer

Select the checkbox next to the (Position of Robot) block.

Answer

Select the checkbox next to the <Drive is moving> block.

Answer

Select the checkbox next to the <Color near object> block.

Question 7

Which of the following describes why the VR Robot will not move in this example project?

Accepted Answer

The distance between the Distance Sensor and the object is greater than 150 millimeters (mm) away.

Answer

The distance between the Distance Sensor and the object is less than 150 millimeters (mm) away.

Answer

The Eye Sensor is reporting the color red.

Answer

The VR Robot will immediately crash into a wall if it moves.

Question 8

What values does the <Distance found object> block report?

Accepted Answer

TRUE or FALSE.

Answer

On or Off.

Answer

Yes or No.

Answer

Zero or One.

Question 9

Which of the following best describes what the <Less than> block reports?

Accepted Answer

If the first value is less than the second value.

Answer

If the first value and the second value are equal.

Answer

If the first value is larger than the second value.

Answer

The second value.

Question 10

What units does the (Distance from) block use when reporting values?

Accepted Answer

Millimeters (mm) and inches.

Answer

Inches and centimeters.

Answer

Meter and millimeters (mm).

Answer

Meter and inches.

Question 11

Which block reports if the Bumper Switch is pressed?

Accepted Answer

Answer

Answer

Answer

Question 12

What values does the <Pressing bumper> block return?

Accepted Answer

TRUE (pressed) or FALSE (released).

Answer

Positive (pressed); Negative (released).

Answer

Distance from object in millimeters (mm).

Answer

Number values between one and ten.

Question 13

What will happen when the Bumper Sensor is pressed in this project?

Accepted Answer

The VR Robot will drive in reverse for 200 millimeters (mm).

Answer

The VR Robot will stop moving.

Answer

The VR Robot will turn left for 90 degrees.

Answer

The VR Robot will turn right for 90 degrees.

Question 14

What does the <Pressing bumper> block report if the Bumper Sensor is pressed?

Accepted Answer

Reports TRUE.

Answer

Reports a measured distance.

Answer

Reports FALSE.

Answer

Reports an object found.

Question 15

How could you use the Bumper Sensor in the Wall Maze challenge?

Accepted Answer

To instruct the VR Robot to turn when it bumps into a wall.

Answer

To make the VR Robot ascend a wall to finish the maze faster.

Answer

To determine the color of the wall.

Answer

To calculate the distances between the VR Robot and a wall.

Question 16

What do non-waiting blocks do in a VEXcode VR project?

Accepted Answer

They allow the stack to continue even if the block's behavior is not yet complete.

Answer

They skip the next block in the stack.

Answer

They repeat a behavior forever.

Answer

They should only be used in an emergency.

Question 17

Which statement is TRUE for waiting blocks?

Accepted Answer

They pause the stack until that block's behavior has been completed.

Answer

They allow the rest of the stack to continue even if that block's behavior has not been completed.

Answer

They wait for the user to select the "Step" button.

Answer

They wait until the VR Robot has enough power to complete the task.

Question 18

What does the highlighting feature do when a waiting block is being executed?

Accepted Answer

A highlight will appear around the block until the behavior is complete.

Answer

It will change colors depending on whether the project is running a waiting or non-waiting block.

Answer

A highlight will stay on the block until the entire project is complete.

Answer

It will move to the next block to show the next behavior in the project.

Question 19

What types of values does the [Wait until] block accept?

Accepted Answer

Boolean values: TRUE or FALSE.

Answer

Numeric values: one - ten.

Answer

Time values.

Answer

Color values.

Question 20

How often will the [Wait until] block check a Boolean condition?

Accepted Answer

It will check repeatedly until the Boolean reports TRUE.

Answer

It will check repeatedly until the Boolean reports FALSE.

Answer

It will check only once.

Answer

It will check once every minute until the project is complete.

Question 21

How is the <Pressing bumper> block used in this project?

Accepted Answer

It checks the condition of the Bumper Sensor. When TRUE, the VR Robot will turn right 180 degrees.

Answer

It pauses the project indefinitely.

Answer

It instructs the VR Robot to turn to 90 degrees.

Answer

It causes the VR Robot to move forward for 200 millimeters (mm).

Question 22

How is the [Wait until] block used with the <Pressing bumper> block?

Accepted Answer

The <Pressing bumper> Boolean is placed in the hexagonal shape inside the [Wait until] block.

Answer

The <Pressing bumper> block is placed before the [Wait until] block.

Answer

Both blocks are placed side-by-side at the beginning of a project.

Answer

The [Wait until] block is placed before the <Pressing bumper> block.

Question 23

How do you change a [Drive for] block from waiting to non-waiting?

Accepted Answer

Select the arrow to expand "and don't wait".

Answer

Add a hexagonal Boolean inside the [Wait until] block.

Answer

These blocks are always non-waiting blocks.

Answer

Place them in a Non Waiting "C" block.

Question 24

Which Boolean reporter block would you use with [Wait until] to create a project that instructs the VR Robot to drive forward until the bumper sensor is pressed in this project?

Accepted Answer

Answer

Answer

Answer

Question 25

What is the order in which behaviors will be executed in this project?

Accepted Answer

Drive Forward until Left Bumper is pressed, Turn right for 90 degrees, Drive Forward until Left Bumper is pressed, Turn Left for 90 degrees, Drive Forward.

Answer

Drive Forward,Turn Right for 90 degrees, Drive Forward until Left Bumper is pressed, Turn Left for 90 degrees, Drive Forward until Left Bumper is Pressed.

Answer

Drive Forward; Turn Right for 90 degrees; Drive Forward when Left Bumper is pressed; Turn Left for 90 degrees\: Drive Forward when Left Bumper is Pressed.

Answer

Drive Forward until Right Bumper is pressed, Turn Left for 90 degrees, Drive Forward, Turn Left for 90 degrees, Drive Forward.

Question 26

What does the conditional evaluate in the [Wait until] block?

Accepted Answer

Is the bumper pressed.

Answer

Is the Color sensor close to an object.

Answer

The timer value.

Answer

Has the Distance Sensor found an object in front of the VR Robot.

Question 27

Which is NOT a reason to use a condition in a VEXcode VR project?

Accepted Answer

To control the flow of a project.

Answer

To instruct the VR Robot to perform different behaviors depending on the conditional values that are reported.

Answer

To utilize sensors in a project.

Answer

To create the best way for the VR Robot to run properly in a specific playground.

Question 28

Where is the "Step" function located on the VEX VR interface?

Accepted Answer

In the toolbar between the "Start" and "Stop" buttons.

Answer

In the Monitor Window.

Answer

On the Dashboard.

Answer

In the File menu.

Question 29

Which of the following is NOT a reason to use the "Step" feature?

Accepted Answer

To step backwards through a project.

Answer

To allow the user to observe a program and behaviors, one block at a time.

Answer

To trace the flow of a project in order to find and fix problems.

Answer

To visualize which blocks are being executed at a given moment.

Question 30

This project was used to drive the VR Robot from Start to the number '1' in the Wall Maze Playground, but does not work correctly. What is the error?

Accepted Answer

The last [Turn for] should be right instead of left.

Answer

The Robot stops before it reaches the number "1".

Answer

The project is missing a [Drive] block.

Answer

Sequence of the blocks is incorrect.

Question 31

What is the first step in coding the VR Robot to move the VR Pen down to draw a black line?

Accepted Answer

Drag the [move robot pen] block into the workspace and use the drop-down menu to set the position to "down".

Answer

[Drive for] block set to 2000 millimeters (mm).

Answer

Drag the [move robot pen] block into the workspace and use the drop-down menu to set the position to "up".

Answer

Drag the [Turn for] block into the workspace and set the parameter to "400 millimeters (mm)".

Question 32

What is the first step in coding the VR Robot to draw a red line?

Accepted Answer

Drag the [Set Pen color]  block into the workspace and use the drop-down menu to set the color to "red".

Answer

Drag the [Turn for] block into the workspace and set the parameter to "200 millimeters (mm)".

Answer

Drag the [move robot pen] block into the workspace and use the drop-down menu to set the position to "up".

Answer

Drag the [Set Pen color] block into the workspace and use the drop-down menu to set the color to "blue".

Question 33

How many times will the [Repeat] block repeat the [Turn for] and [Drive for] blocks inside of it?

Accepted Answer

Two times.

Answer

Three times.

Answer

Four times.

Answer

Only once.

Question 34

What types of values can the [Repeat] block accept as parameters?

Accepted Answer

Integers.

Answer

Decimal values.

Answer

Words or text.

Answer

Negative values.

Question 35

What is the condition that will end this [Repeat] block?

Accepted Answer

After the VR Robot has driven forward 200 millimeters (mm) then turned right 60 degrees six times.

Answer

After the VR Robot drives forward one time for 200 millimeters (mm).

Answer

After the [Repeat] block has repeated the blocks inside of it four times.

Answer

After the VR Robot places the pen down.

Question 36

How can the following example be simplified by using a [Repeat] block?

Accepted Answer

By placing the [Drive for] and [Turn for] blocks in a [Repeat] block that repeats four times.

Answer

By placing the [Turn for] block in a [Repeat] block that repeats four times.

Answer

By placing the [Drive for] block in a [Repeat] block that repeats four times.

Answer

By changing all of the parameters of the [Drive for] blocks to 400 millimeters (mm) instead of 200 millimeters (mm).

Question 37

When will the VR Robot move the VR Pen up?

Accepted Answer

After the [Repeat] block has repeated all of the blocks inside of it twice.

Answer

After the [Repeat] block has repeated all of the blocks inside of it six times.

Answer

Before the [Repeat] block has repeated all of the blocks inside of it twice.

Answer

Before the VR Pen is set to the color red.

Question 38

The following project was created to draw a house, but it is unfinished. Which of the following blocks should be used next to begin drawing the roof of the house?

Accepted Answer

[Turn for] block set to 135 degrees

Answer

[Repeat] block set to six

Answer

[move robot pen] block set to "up"

Answer

Drive for block set to 2000 millimeters (mm)

Question 39

Which of these best describes a programming language?

Accepted Answer

A set of rules where symbols represent actions.

Answer

A set of spoken commands for a robot.

Answer

An action performed by a robot.

Answer

A list of behaviors the robot already completed.

Question 40

What is the name for an action performed by the VR Robot?

Accepted Answer

Behavior

Answer

Programming Language

Answer

Command

Answer

Parameter

Question 41

How do you change the behavior of the VR Robot?

Accepted Answer

Change the programming blocks called commands.

Answer

Name and save your project.

Answer

Change the programming language.

Answer

Change the Playground.

Question 42

How far will the VR Robot move based off of this command?

Accepted Answer

300 millimeters (mm)

Answer

200 millimeters (mm)

Answer

500 millimeters (mm)

Answer

400 millimeters (mm)

Question 43

What part of the block do you select to change the direction of the [Drive for] block?

Accepted Answer

1

Answer

2

Answer

4

Answer

3

Question 44

What is the default velocity of the VR Robot?

Accepted Answer

50%

Answer

0%

Answer

25%

Answer

75%

Question 45

What is the maximum velocity setting for the VR Robot?

Accepted Answer

100%

Answer

200%

Answer

150%

Answer

50%

Question 46

How will the VR Robot move based off of this command?

Accepted Answer

Turn right 80 degrees.

Answer

Turn left 90 degrees.

Answer

Turn left 80 degrees.

Answer

Turn right 90 degrees.

Question 47

Which block turns the VR Robot to a given clockwise heading?

Accepted Answer

[Turn to heading]

Answer

[Turn to rotation]

Answer

[Set drive rotation]

Answer

[Turn]

Question 48

What order will the buildings on the Castle Crasher Playground be knocked over according to this project?

Accepted Answer

3, 2, 5, 4, 1

Answer

5, 2, 1, 4, 3

Answer

3, 1, 4, 5, 2

Answer

1, 2, 3, 4, 5

Question 49

Which of the following is the best description of what the VR Robot will do based on this project?

Accepted Answer

The VR Robot will drive forward 1000 millimeters (mm) at maximum velocity. It will turn right 180 degrees, set velocity back to the default, and drive forward 1000 millimeters (mm).

Answer

The VR Robot will drive forward 1000 millimeters (mm) at maximum velocity. It will turn right 90 degrees, set velocity back to the default, and drive forward 1000 millimeters (mm).

Answer

The VR Robot will drive forward 1000 millimeters (mm) at maximum velocity. It will turn left 180 degrees, set velocity back to the default, and drive forward 1000 millimeters (mm).

Answer

The VR Robot will drive forward 1000 millimeters (mm) at maximum velocity. It will turn right 180 degrees and drive forward 1000 millimeters (mm).

Question 50

Why is it important to correctly sequence commands in a project?

Accepted Answer

To make a project that works as intended.

Answer

To make the VR Robot skip around to random commands.

Answer

To have accurate values and parameters in commands.

Answer

To make a project that does not work as intended.