Calculate the current in the diode Dry in Figure 4.33 after connecting X and Y together. Assume the output X was at logic low and Y at logic high...

I need help knowing how to begin to solve this problem

• Attachment 1
• Attachment 2

Calculate the current in the diode Dry in Figure 4.33 after connecting X andY together. Assume the output X was at logic low and Y at logic high priorto connecting them together.