Выберите номер правильного ответа в заданиях 1-8. Christopher Shoals and two of his friends, Carlos Glidden and Samuel Sole, developed the first modern typewriter. They worked on a newspaper in Milwaukee, Wisconsin in the 1860. Shoals put each letter on the end of a metal bar. A key was hushed down and the end of the bar hit the paper. The typewriter keys were put in alphabetical order. but alphabetical order caused a problem. Fast typing made some of the letter bars get caught on one another. The bars were too close together. - Shoals solved the problem. He found out the most-used letters in English. Then he put these ietters far apart on the typewriter keyboard. The letter bars didn't his each other easily. The first six letters on the top of the keyboard are QWERTY.

илья8551    2   22.10.2020 16:59    2