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Across

1. A device that senses and detects infrared radiation.

2. The technology that converts spoken words into text or commands, allowing users to interact with devices using their voice as input.

3. A method of verifying the PIN on a chip and PIN card without requiring an online connection to the card issuer's server. It enhances security by reducing dependence on network availability.

4. A sensor that measures the moisture content or relative humidity in the air

5. A device that measures or detects changes in magnetic fields.

6. Sound waves with frequencies higher than the upper audible limit of human hearing.

7. A sensor that detects the presence or absence of nearby objects

8. A group of microphones that work together to capture and process sound from multiple directions, often used for voice recognition or audio conferencing.

9. A method of making secure payments using a contactless-enabled card, mobile device, or wearable without the need to physically swipe or insert the card into a terminal.

10. Vibration or tactile sensations produced by a device to provide users with physical feedback or simulate the sensation of touching physical objects.

11. A touch-sensitive display that allows users to interact with a device by directly touching the screen.

12. A device used to measure the strength or direction of a magnetic field.

Down

13. A device used to convert paper documents into digital format.

14. A device that measures unique physical or behavioral characteristics (e.g., fingerprints, iris patterns) to authenticate or identify individuals.

15. An electronic device that measures the distance of an object using ultrasonic waves.

16. The ability of a device or software to interpret and respond to specific movements or gestures made by a user, enabling more intuitive interaction.

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