What is the primary function of an Arduino board?

• • To display images

• • To play music

• • To control and interface with electronic components

• • To store large amounts of data

What is the purpose of the setup() function in an Arduino sketch?

• • To define variables

• • To initialize variables, pin modes, and start using libraries

• • To repeat the code indefinitely

• • To draw graphics on the screen

What is the main use of an ultrasonic sensor in robotics?

• To measure temperature

• To detect the presence of gas

• To measure distance

• To detect light

Which type of motor is commonly used for precise control of angular position?

• DC motor

• Servo motor

• Stepper motor

• Brushless motor

Which component is used to control the speed and direction of a DC motor in robotics?

• LED

• Potentiometer

• Motor driver

• Capacitor

What is the main function of an H-bridge in motor control?

• To increase motor speed

• To reduce motor noise

• To allow reversing of motor direction

• To measure motor temperature

What is the purpose of a breadboard in electronics prototyping?

• To power the circuit

• To create temporary circuits without soldering

• To program microcontrollers

• To measure electrical current

What is the primary function of a transistor in an electronic circuit?

• To store data

• To convert AC to DC

• To amplify or switch electronic signals

• To measure temperature

What are the three main parts of a transistor?

• Anode, Cathode, Gate

• Base, Collector, Emitter

• Source, Drain, Gate

• Positive, Negative, Ground

Which of the following is a type of transistor?

• Capacitor

• Inductor

• Bipolar Junction Transistor (BJT)

• Resistor