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      Question

      Which of the following input device is used for marking

      attendance of employees/students in organizations/institutions and security purposes? Β 
      A OCR Correct Answer Incorrect Answer
      B Webcam Correct Answer Incorrect Answer
      C Biometric sensor Correct Answer Incorrect Answer
      D Both a and c Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      The correct answer is C

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