到蘇聯去留學
Modem - Wikipedia, the free encyclopedia某甲決定要到蘇聯去留學,大家為他送行之際,並要求他一定要寫回來告知生活狀況。但怕信件遭受蘇聯方面檢查因而引來麻煩,雙方決定如果生活過得還不錯,就用藍筆寫信,反之則用紅筆寫信回來。一個月過去了,在台灣的朋友終於收到來信,大家急急忙忙打開信,一看整張信紙寫滿了藍色的字,頓時大家就放心下來了,信中一開始是A modem (modulator-demodulator) is a device that modulates signals to encode digital information and demodulates signals to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded to reproduce the ori...
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