OR function in Digital Systems is a logical Sum of two or more binary variables.
Logic Sum (OR) of three Binary variables x, y, z can be written as x+y+z
If the value of only one variable y is known, y 0 then what can be said about the OR (logical Sum) of three variables x+y+z
Select one correct answer from the choices given below.
O None given here
O
x+y+z=1
O The value of x+y+z can be 0 or 1 depending on the value of other variables.
G
x+y+z=0
Fig: 1