Перевод из десятичной в двоичную систему счисления

Zero to Hero February 27, 2020
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На уроках информатики нужно переводить десятичное число в двоичную систему счисления. Из десятичной в двоичную? Легко! Берёте число 29 и делите в столбик на 2. Почему на 2? Потому что мы переводим его в двоичную систему счисления. 29 на 2 будет 14 с копейками. Проверяем на наличие остатка. 2 х 14 будет 28. Остаток, то есть 29-28, будет 1. Этот остаток важен, поэтому запомним его. Если будете так считать на бумаге — обведите в кружочек. Теперь делим частное, то есть результат деления, 14 снова на 2. Будет 7. Проверяем на остаток. 2 х 7 = 14, остаток 0. Остаток важен, запоминаем его. И так мы дальше делим частное на 2 до тех пор, пока у нас не останется число меньше 2, т.е. Единица или ноль. Каждый остаток запоминаем. Особенно вот этот остаток после последнего деления. Теперь, когда мы всё поделили, записываем остатки задом наперёд. Почему задом наперёд? Честно говоря не знаю, такая вот непонятная магия. Всё, число 29 в двоичном виде выглядит вот так: 11101 Но на самом деле есть способ проще! https://zero2hero.org/course/details/binary-numbers 00:08 - школьный способ 01:20 - простой способ 03:05 - метод на пальцах 04:22 - задача со звёздочкой

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