Q:

The data will not go from the port registers to the pin unless:

0

The data will not go from the port registers to the pin unless:


  1. DDR register of that port is set to 0
  2. PORT register of that port is set to 1
  3. DDR register of that port is set to 1
  4. PORT register of that port is set to 0

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(c).DDR register of that port is set to 1

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