?????? ??? ?? ??????? ?????????? ???? ??? ??????????? ???, ??????, ???? ?????? ??????????? ??? ?? ????? ???. ?? ??????? ?????????? ????? ????????? ?????????.?? ?? ??????, ?????? ?? ????? ??????? ?? ???????????? ???? ???????? ??????? ??? ???????? ??????????.Synchronization: Due to the fact digital data is conveyed from the sequence by which symbols