a) - Eye Scanner
- Face Recognition
b) A person first matches their Eyes or Facial features with their profile on a computer. Now that a computer has that person registered, the next time that person comes in, the computer will simply scan that person, and pull up the relative profile, and give access if warranted.
c) Biometrics could be considered better because of the more personal/unique aspect that is required to identify a person. Credit cards and I.D.s are very easily forged, whilst biometrics aren't
d) There is a large cost to biometrics. The items are expensive, and this would pass on to the user, which would inspire protest. Also, the time it would take to register everyone would be enormous and it would be a hassle.
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