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What are some applications of ultrasonic sensors?
What is the full form of CMOS?
Which country first implemented chip and pin technology?
What is the difference between analog and digital signals?
What is the primary purpose of a keyboard?
What is a document scanner used for?
What types of documents can be scanned?
What type of sensor is used in smoke detectors?
What is the purpose of an RFID reader?
What does NFC stand for?
How does an ultrasonic sensor calculate distance?
Which security feature is used in NFC transactions?
Which of the following is a benefit of using chip and pin technology?
Which technology is commonly used as an alternative to magnetic stripe readers?
What is the main advantage of RFID over traditional barcode systems?