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biometrics
cambridge AS/A2
4
Computer Science
12th Grade
01/22/2018

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Term
Biometrics
Definition
Biometrics is the use of technology that tracks user values. This could be as simple as their heart rate
with fitness devices, or it could be voice recognition
soft ware, fingerprint and iris recognition or even
recognition of DNA patterns.
Term
how does it works:
Definition
Biometrics works by taking several examples of whatever
is being measured, so for a voice command a user may
have to say ‘Hello’ five times for the computer to get
an average measurement.
Term
Some uses have been developed for biometrics:
Definition
Some mobile devices and laptops currently have a
fingerprint recognition device attached.
When the device
is locked, the user places their finger on the scanner to
unlock it.

Some airports now have the capability of reading
biometric passports. This means that a person’s
biometric data, oft en their facial and iris image, is
attached to their passport.
Term
issues that might have:
Definition
Very personal details are stored about users. These
could be used against them if someone were able to
hack into the database where the data is stored.

presenting
fake biometric material, such as a fake fingerprint or
a recording of a voice command. These would need
to be very high quality to be undetected, but it is
possible.
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