The data will not go from the port registers to the pin unless:
A. DDR register of that port is set to 0
B. PORT register of that port is set to 1
C. DDR register of that port is set to 1
D. PORT register of that port is set to 0
Answer:A
The data will not go from the port registers to the pin unless:
A. DDR register of that port is set to 0 B. PORT register of that port is set to 1 C. DDR register of that port is set to 1 D. PORT register of that port is set to 0
Explanation: The data will not go from the port registers to the pin unless the DDR register of that port is set to 1, because by doing this we make that port an output port after which data can be taken from the PORT registers to the pin.