PCB-Design-2025

Which Industrial Revolution introduced steam power and mechanization?

• A) First Industrial Revolution
  

• B) Second Industrial Revolution
  

• C) Third Industrial Revolution
  

• D) Fourth Industrial Revolution

What is a key characteristic of Industry 4.0?

• A) Cyber-Physical Systems (CPS) and IoT
  

• B) Steam engines and mechanization
  

• C) Assembly line production
  

• D) Manual craftsmanship

Which of the following is a major driver of digitalization in Industry 4.0?

• A) Artificial Intelligence and Machine Learning
  

• B) Water and steam power
  

• C) Manual labor-intensive production
  

• D) Limited connectivity

What is a significant challenge in implementing Industry 4.0?

• A) Cybersecurity threats and data privacy concerns
  

• B) Increased manual labor
  

• C) Lack of automation
  

• D) Reduced digital connectivity

What type of sensor is used in smartphones for motion detection and screen orientation?

• A) Accelerometer
  

• B) Pressure sensor
  

• C) Temperature sensor
  

• D) Infrared sensor

Which type of sensor is commonly used to measure temperature?

• A) Thermocouple
  

• B) Strain gauge
  

• C) Ultrasonic sensor
  

• D) Piezoelectric sensor

What is the primary function of a sensor?

• A) To detect and measure physical or environmental changes and convert them into signals
  

• B) To generate mechanical energy
  

• C) To store electrical charge
  

• D) To provide wireless communication