What is the main advantage of RFID over traditional barcode systems?

Which of the following is NOT a common use of QR codes?

What is a stylus?

What type of information can be stored in a QR code?

What type of sensor is used in smoke detectors?

How does a voice recognition system work?

Which sensor is commonly used in automatic hand sanitizer dispensers?

Which input device is commonly used in supermarkets to scan product barcodes?

Which technology is commonly used as an alternative to magnetic stripe readers?

Which type of magnetic sensor is commonly used in compasses?

What is the purpose of a light sensor in a smart home system?

What is the typical operating range of IR sensors?

What is the primary purpose of a keyboard?

What does an ultrasonic sensor measure?

Which statement is true about automated input devices?