Question

Which of the following rules states that if one input of an AND gate is always 1, the output is equal to the other input?

a. A + 1 = 1.
b. A + A = A.
c. A .A = A.
d. A .1 = A.

Answer 1

The rule that indicates the output of an AND gate is the same as the non-constant input when the other input is 1 is d. A .1 = A.

Step-by-step explanation:

The rule that states if one input of an AND gate is always 1, the output is equal to the other input is d. A .1 = A. This rule is similar to the multiplication property in mathematics where any number multiplied by 1 equals the same number. In the context of an AND gate in digital electronics, when one input (A) is combined with a constant input of 1, the output will replicate the other input (A).