Tomlinson was working on improving Tomlinson worked on making computers better.., true ✅, false ❌, At first, scientists could send messages to distant computers., ✅true , false ❌, The @ sign helped send emails to other computers., true ✅, false ❌, What symbol did Tomlinson use to send messages to other computers?, #, !, @, $, How many email users were there by the end of the 20th century?, A) 50 million, B) 100 million, C) 263 million, D) 4 billion, What allows people to stay in constant touch over long distances today?, A) Only computers, B) Email and text messaging, C) Letters, D) Fax machines.

순위표

비주얼 스타일

옵션

템플릿 전환하기

)
자동 저장된 게임을 복구할까요?