The purpose of biometric input is primarily to enable secure authentication using unique biological traits. This method is more secure than traditional passwords, as it relies on personal features that are hard to replicate. Therefore, the correct answer is C. enable security authentication.
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The main purpose of biometric input is to enable secure authentication by using unique biological traits for identity verification. This approach is more secure than traditional methods like passwords. Examples of biometric input include fingerprint and facial recognition technologies. ;