Arduino Basics

What is Arduino mainly used for?

• Programming household appliances
• Controlling interactive projects
• Managing data in large databases
• Designing web applications

Which component is essential for building circuits on a breadboard?

• Resistor
• Capacitor
• Microcontroller
• Battery

What do sensors do in an Arduino project?

• Convert electrical energy to physical energy
• Store data for later use
• Listen to the physical world and convert energy into electrical signals
• Provide power to the microcontroller

Which symbol is used to represent a pushbutton switch in a schematic?

• 
• 
• 
• 

What is the primary role of actuators in an Arduino project?

• To store electrical energy
• To convert physical energy into electrical signals
• To take action in the physical world by converting electrical energy into physical energy
• To control the flow of current

In the rockslide metaphor for electrical current flow, what do the bushes represent?

• Current
• Voltage
• Resistors
• Power source

What precaution should you take before building a circuit with Arduino?

• Update the Arduino software
• Unplug it from the power source
• Connect all components in parallel
• Install additional libraries

What will happen if there is no path for the energy to travel in a circuit?

• The circuit will work normally
• The circuit will not work
• The components will overheat
• The current will increase

How is power typically connected on a breadboard?

• Using horizontal rows
• Using vertical strips
• Using diagonal connections
• Using random connections

What is the function of the ground pin on the Arduino?

• To supply voltage to components
• To act as a reference point for voltage levels
• To store data
• To control current flow