CBSE-IX-Foundation percent 25252520of%25252520Information%25252520Technology%25252520.

02: Computer System Organisation

digibest Free NCERT Solutions with no signup needed
  • #3
    Which device is used for recognising physical or behavioural traits of an individual. Also, write one advantage of this device.
    Ans : Biometric sensor is a device used for recognising physical or behavioural traits of an individual. This device is mainly used for security purpose and for marking attendance of employees/students in organisations/institutions. The major advantage of this device is that it eliminates the problem caused by lost IDs or forgotten passwords etc.