Electronic world

All electronic devices can be operated by two methids 1.micro wired controlling 2.micro programed controled any electronic device undrstands presense(1) and absense(0) of signals. number systems 1.binary (0,1) 2.octal(0 to 7) 3.decimal(0-9) 4.hexa decimal(0-9 and A,B,C,D,E,F) PROCESSING MEANS BINARY ATHIMATIC OPERATIONS LIKE BINARY ADDITIONS AND MULTIPLICATIONS.HALF ADDER AND FULL ADDER.AND ,OR GATES.