Thecomputerisawonderfulmachine.Theyarealreadywidelyusedinindustriesandinuniversities.Theyareusedinmanyways.Computerscandomanykindsofwork.Forexample,computerscanhelpsusdomathsproblemsquickly.Someproblemsaretoohardforustoworkthemout,butcomputerscan.Ascientistcanaskcomputerssomequestions,andthecomputerscanansweronthescreen.