????????? ????? ????? ?? ??????????? ???????????? ???; ?? ???, ?? ?????? ??? ?? ???? ?????????? ????? ??????;??????? ?? ??????????????? ???: ???????? ????????? ? ????????? ??? ?????? ??? ????????.Much more not long ago invented, a modem modulates an analog "carrier" signal (for example seem) to encode binary electrical digital details, to be a seri