Grade 9 Pre-Test AY 2023-2024

Among the following functions, what are the so called basic behaviors.

a. Left

b. Right

c. Spin

d. Rotate

E. Forward

F. Reverse

G. Line Trace

H. Obstacle detecting

I. Beep

J. Blink

• ABCDEFG

• ABCDEFIJ

• EFGHIJCA

• HIJABCEF

What kind of sound does the Distance Sensor uses to determine distance.

• Infrasonic

• Soundwave

• Ultrawave

• Ultrasonic

How does distance is determine using distance sensor?

• With the use of transmitter and receiver

• With the use of trigpin and echopin

• Using delay and inserting constant distance value

What kind of light does the IR Sensor uses?

• Led Light

• UV Light

• Infrared Light

• Flourescent Light

The IR sensors uses Infrared Light to determine whether there are changes in the surface. Which of the following color are the best reflector.

• Black

• Brown

• White

• Yellow

The IR sensors' working principle starts from the transmitter going back to the receiver. Once the light energy is received, the Arduino will transform the light energy into what kind of energy?

• Mechanical

• Kinetic

• Heat

• Electrical

True or False: The HIGH value indicates OFF and LOW value indicates ON when the circuit has an internal pull-up just like the Arduino being applied to push buttons.

• TRUE

• FALSE

How does Arduino understands input data?

• by using digitalRead

• by using analogWrite

• by using digitalWrite

What pinmode is applicable for speaker and Led?

• INPUT

• OUTPUT

• INPUT_PULLUP

What kind of warehouse robot does PEPITO is supposed to be?

• Collaborative Robots

• Robort Arm

• Articulated Robot

• Automated Guided Vehicle