英语翻译ManypeoplearesurprisedwhentheyfindthattheInternetwassetupinthe1960s.Atthattime,computerswerelargeandexpensive.Computernetworksdidn’tworkwell.Ifonecomputerinthenetworkbrokedown,thenthewholenetworkstopp
英语翻译
ManypeoplearesurprisedwhentheyfindthattheInternetwassetupinthe1960s.Atthattime,computerswerelargeandexpensive.Computernetworksdidn’tworkwell.Ifonecomputerinthenetworkbrokedown,thenthewholenetworkstopped.Soanewnetworksystemhadtobesetup.Itshouldbegoodenoughtobeusedbymanydifferentcomputers.Ifpartofthenetworkwasnotworking,informationcouldbesentthroughanotherpart.Inthiswaycomputernetworksystemwouldkeeponworkingallthetime.
AtfirsttheInternetwasonlyusedbythegovernment.But,intheearly1970s,universities,hospitalsandbankswereallowedtouseittoo.However,computerswerestillveryexpensiveandtheInternetwasdifficulttouse.Bythestartofthe1990s,computersbecamecheaperandeasiertouse.Scientistshadalsodevelopedsoftwarethatmade“surfing”theInternetmoreconvenient(方便).
Todayitiseasytogeton-line(上网)anditissaidthatmillionsofpeopleusetheInterneteveryday.Sendinge-mailsismoreandmorepopularamongstudents.