COMPUTER FUNDAMENTALS

COMPUTER HARDWARE

INPUT DEVICES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Input devices that measure body characteristics
A
Optical scanners
B
Touch screens
C
Biometric devices
D
Light pen
Explanation: 

Detailed explanation-1: -Biometrics devices have built-in biometric capturing sensors that use a variety of sensing technologies to collect a person’s unique physical or behavioral traits, such as fingerprints, facial features, palm prints, iris scans, hand geometry, vocal patterns, human gaits, and other biometric identifiers. and more.

Detailed explanation-2: -Face, fingerprint, hand geometry, palm print, iris, voice, signature, gait, and keystroke dynamics are examples of biometric traits. In the context of a given system and application, the presentation of a user’s biometric feature involves both biological and behavioral aspects.

Detailed explanation-3: -BIOMETRIC INPUT DEVICES. Biometric inputs measure a person’s unique physical characteristic, with the most commonly used biometric being fingerprints. Other biometrics are hand or palm geometry and retina, iris, or facial characteristics.

Detailed explanation-4: -The types of biometrics can be grouped into two main categories: physiological biometrics and behavioral biometrics. Physiological biometrics are characteristics or measurements of the human body, whereas behavioral biometrics refer to the unique way a person performs a certain behavior, like giving a signature.

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