0 votes 0 votes For example, if we want to check if a function follow commutativity then we have to check $A * B = B * A $. So what is it for identity? Digital Logic digital-logic + – shivani2010 asked Mar 29, 2017 shivani2010 454 views answer comment Share Follow See 1 comment See all 1 1 comment reply Lakshman Bhaiya commented Apr 12, 2017 reply Follow Share Good Explanations 0 votes 0 votes Please log in or register to add a comment.
Best answer 3 votes 3 votes Identity for Digital logic is $1$. Hence if a operation ($*$) follow $ A * 1 = 1 * A = A $ then Operation is called to have identity. rude answered Mar 29, 2017 • selected Mar 30, 2017 by shivani2010 rude comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes A*I=I*A=A Rameez Raza answered Mar 29, 2017 Rameez Raza comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes An Identity is an element such that for any A : A*I = A Heisenberg answered Mar 29, 2017 Heisenberg comment Share Follow See all 0 reply Please log in or register to add a comment.