If we apply 0001 to the input of a seven-segment decoder then what will be the outputs?

If we apply 0001 to the input of a seven-segment decoder then what will be the outputs?

  1. a) 0110000 for a seven-segment display with common-cathode
  2. b) 1001111 for a seven-segment display with common-anode
  3. c) Both A and B are true
  4. d) None are true

From the BUET MSC (ICT) July 2021 – MCQ exam, question 39 of 57.

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