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WorksheetsVEXcode VR Unit 4 Quiz
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Which block reports if the Bumper Switch is pressed?
a)
<Distance found object>
b)
<Pressing bumper>
c)
<Color near object>
d)
<Bumper switch on>
2.
What values does the <Pressing bumper> block return?
a)
TRUE (pressed) or FALSE (released).
b)
Positive (pressed); Negative (released).
c)
Number values between one and ten.
d)
Distance from object in millimeters (mm).
3.
What will happen when the Bumper Sensor is pressed in this project?
a)
The VR Robot will turn left for 90 degrees.
b)
The VR Robot will stop moving.
c)
The VR Robot will turn right for 90 degrees.
d)
The VR Robot will drive in reverse for 200 millimeters (mm).
4.
How could you use the Bumper Sensor in the Wall Maze challenge?
a)
To calculate the distances between the VR Robot and a wall.
b)
To instruct the VR Robot to turn when it bumps into a wall.
c)
To make the VR Robot ascend a wall to finish the maze faster.
d)
To determine the color of the wall.
5.
What do non-waiting blocks do in a VEXcode VR project?
a)
They repeat a behavior forever.
b)
They skip the next block in the stack.
c)
They allow the stack to continue even if the block's behavior is not yet complete.
d)
They should only be used in an emergency.
6.
Which statement is TRUE for waiting blocks?
a)
They wait for the user to select the "Step" button.
b)
They wait until the VR Robot has enough power to complete the task.
c)
They allow the rest of the stack to continue even if that block's behavior has not been completed.
d)
They pause the stack until that block's behavior has been completed.
7.
What types of values does the [Wait until] block accept?
a)
Boolean values: TRUE or FALSE.
b)
Numeric values: one - ten.
c)
Color values.
d)
Time values.
8.
How often will the [Wait until] block check a Boolean condition?
a)
It will check repeatedly until the Boolean reports FALSE.
b)
It will check repeatedly until the Boolean reports TRUE.
c)
It will check once every minute until the project is complete.
d)
It will check only once.
9.
How is the <Pressing bumper> block used in this project?
a)
It pauses the project indefinitely.
b)
It causes the VR Robot to move forward for 200 millimeters (mm).
c)
It checks the condition of the Bumper Sensor. When TRUE, the VR Robot will turn right 180 degrees.
d)
It instructs the VR Robot to turn to 90 degrees.
10.
Where is the "Step" function located on the VEX VR interface?
a)
In the File menu.
b)
In the Monitor Window.
c)
On the Dashboard.
d)
In the toolbar between the "Start" and "Stop" buttons.
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