????? ????? ????? ???? ???? ???????? ?? ?? ???? ??? ?????? ???????? ???? ??? ????????????? ??? ?? ?????? ??? ?? ???????, ?????????? ???? ????? ??? ???? ??????? ??? ??????? ??? ??? ????? ???.Even more, techniques which include Look at codes can be accustomed to detect errors and proper them through redundancy or re-transmission. Glitches in digital