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| Issues | Definitions |
| Accuracy | Indicates the length of time from beginning of operation until final authentication/identification |
| Usability | Indicates the degree to which the specific trait being measured is present in everyone |
| Smallness | Indicates ease of use of the system |
| Spoof Proof | Indicates how easy it is to fool the system and impersonate someone else |
| Speed | Indicates the degree to which the system is perceived as intruding into the person’s privacy |
| Cost | Indicates the size of the capturing device |
| Universality | Indicates how accurately the technology measures the individual’s identification |
| Privacy | Indicates the size of the capturing device |
2. Use the internet to find some information about the following biometric devices and complete the table below with appropriate information:
| Browser | Retinal scanner | Fingerprint scanner | Hand-geometry device | Facial recognition device |
| Accuracy | ||||
| Usability | ||||
| Smallness | ||||
| Spoof Proof | ||||
| Speed | ||||
| Cost | ||||
| Unique Features | ||||
| Strengths | ||||
| Weaknesses |
Grammar practice
