JEE MAIN - Physics (2012 - No. 1)
Truth table for system of four $$NAND$$ gates as shown in figure is:
解释
By expanding this Boolean expression
$$Y = A.\overline B + B.\overline A $$
Thus the truth table for this expression should be $$(1).$$
By expanding this Boolean expression
$$Y = A.\overline B + B.\overline A $$
Thus the truth table for this expression should be $$(1).$$