Which logic gate is represented by the following combination of logic gates?

In the following logic circuit the sequence of the inputs A, B are (0, 0), (0, 1), (1, 0) and (1,1).

In the given logic gate combination, for which input values will output be 1?

Assuming in forward bias condition there is a voltage drop of 0.7 V across a silicon diode, the curr

If each diode has a forward bias resistance of 25Ω in the below circuit, Which of the folowing optio

If each diode has forward resistance 25Ω in given circuit, which option is correct?