Bar code reading: fast, accurate
Magnetic ***** reader: on credit/debit cards used to read info about card when paying for goods
Voice recognition: allows to enter data directly into computer via microphone
ADV - faster than typing, 99% accurate, cheap
DIS - takes while to get used to, not accurate a first, errors due to background noise
Biometrics: provides a fast and easy way of recognising a person by using a feature of the human body that is unique to a particular person in order to identify them
Methods include: voice/speech, fingerprint recognition, retinal scanning
ADV - not easily abused, nothing to forget
DIS - expensive technology, often vandalised
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