高一年级英语作文：Please protect our environment

详细内容

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putersstartedtobeepopularwithbigpaniesinthe1960s.

puter

You’veprobablyknownaboutputersyourwholelife.Butputershavenotreallybeenaroundforverylong.putersstartedtobeepopularwithbigpaniesinthe1960s.putersdidn’tbeewidespreadinhomesandschoolsuntilthe1980s.

HOWDOPEOPLEUSEPUTERS?

Peopleuseputersinmanyways.Storesuseputerstokeeptrackofproductsandcheckyououtatthecashregister.Banksuseputerstosendmoneyallovertheworld.

putershelpteacherskeeptrackoflessonsandgrades.Theyhelpstudentsdoresearchandlearn.putersletyouhookuptoworks(manyputershookedtogether).TheyletyouhookuptoaworldwideworkcalledtheInter.

Scientistsuseputerstosolveresearchproblems.Engineersuseputerstomakecars,trucks,andairplanes.Architectsuseputerstodesignhousesandotherbuildings.Thepoliceuseputerstotrackdowncriminals.Themilitaryusesputerstomakeandreadcodedmessages.