SSC General Science & Technology Sample Paper NCERT Sample Paper-6

  • question_answer
    Which of the following is not true regarding biometrics?

    A)  It is used in computer science as a form of identification and access control of humans by their characteristics or traits

    B)  Biometric identifiers are often categorised as physiological versus behavioural characteristics

    C)  It is not possible to use this technology to identify individuals in groups that are under surveillance

    D)  All of the above

    Correct Answer: C

    Solution :

    [c] In computer security, biometrics refers to authentication techniques that rely on measurable physical characteristics that can be automatically checked. There are several types of biometric identification schemes: face: the analysis of facial characteristics fingerprint: the analysis of an individual's unique fingerprints hand geometry: the analysis of the shape of the hand and the length of the fingers, retina: the analysis of the capillary vessels located at the back of the eye. iris: the analysis of the coloured ring that surrounds the eye's pupil, signature: the analysis of the way a person signs his name. vein: the analysis of pattern of veins in the back if the hand and the wrist, voice: the analysis of the tone, pitch, cadence and frequency of a person's voice.

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