Q. What is the value of $A - \overline{A}$ in Boolean algebra?
A) Zero
B) 1 (one)
C) $A$
D) $\overline{A}$
Explanation
(a) When $A\text{=}1,$
then $A \bullet \overline{A} = 1.0 = 0$
and when $A = 0$,
then $A \bullet \overline{A} = 0.1 = 0.$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.