Duba zuwa sashi a ƙasa sannan ka amsa tambayar daga baya a cikin harshe guda kamar yadda sashi: Passage: A farko da kuma tarihi mafi muhimmanci aikace-aikace na sadarwa tauraron dan adam ya kasance a cikin intercontinental nesa telephony. A gyarawa Jama'a Switched Telephone Network relays wayar da kira daga landline wayoyin zuwa wani ƙasa tashar, inda suka sa'an nan kuma aka watsa zuwa wani geostationary tauraron dan adam. A downlink ya bi wani analogous hanya. Ingantawa a karkashin ruwa sadarwa igiyoyi ta hanyar yin amfani da fiber-na gani sa wasu raguwa a cikin yin amfani da tauraron dan adam ga gyarawa telephony a cikin marigayi 20th karni. Tambaya: sadarwa tauraron dan adam da aka farko amfani da abin da irin tsarin tarho?
wayar tarho mai nisa