1. Gate 1

diode or

Table 1. Gate type:
VA VB VY

0

0

 

0

5 V

 

5 V

0

 

5 V

5 V

 

  • guess (on / off) state of each diode

  • solve circuit

  • check corresponding condition, repeat until guess set passes all checks

1.1. Inputs: A=0 V, B=0 V







1.2. Inputs: A=0 V, B=5 V

2. Gate 2

diode and

Table 2. Gate type:
VA VB VY

0

0

 

0

5 V

 

5 V

0

 

5 V

5 V