Biometrics is the measurement and statistical analysis of individuals' distinct physical and behavioral traits. It is mostly used for identification and access control, as well as identifying people who are being watched, and the further calculation can be defined as follows:
- A biometric device is a gadget that uses biometrics to identify and verify users.
- These gadgets use automated methods to verify or identify a living person's identification based on a physical or behavioral feature.
- Fingerprints, face pictures, iris scanning, and voice control are instances of these features.
- It scanners and face recognition scanners are two biometric input devices.
Therefore, the final choice is "Option B and Option D".
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