Ithinkhumanbrainismuchpowerfulthatcomputer.First,it'sthecreativeideainhumanbrainthatbringscomputerstoourlife.Mancanmakeupacomputerwhilecomputerscannevermakeupaperson.Second,computersneedelectricityasitspower,whileamancanusehisbrainwheneverhewantsto.
Accordingtoasurvey,ahumanbrainisequalwithseveralhundredmillioncomputers.Theonlyproblemisthatmostoftheresoursesinhumanbrainhaven'tbeendevelopedyet,infact,with3%developed.Ifwecandevelopeourbrainfully,thecomputerwillnotbeacircumstancetohumanbrain,nottosaytobemorepowerful.
What'smore,computerscannotrunwithoutcontrolfromhuman.Alltheseevidencesabovecanprovethathumanbrainismuchmorepowerfulthanthecomputer.
还这篇难一点
Somerecentdevelopmentsinthecomputerindustrymakescientistspredictthatthegapbetweenhumanbeingsandmachineswillbeclosedabouttheyear20000.
Tounderstandthesignificanceofthispredictionletuscomparethehumanbrainwithexistingcomputers.Thebrainconsumeselectricalenergyattherateof25wattsandoccupiesavolumeofonetenthofacubicfoot.Thebrainhousesbetween10billionand100billionitemsofinformation.Everybraincellisdirectlyconnectedtomanyothercells.Asaresult,thecellsinwhichinformationisstoredcancommunicatewiththousandsofothercells.
However,thecomputerconsumes1000,000wattsofelectricalpowerandoccupieshundredsofcubicfeetofspace.Itsmillionitemsofimmediatelyaccessibleinformation.Incontrast,thecomputermemoryislikeacellofpigeonholes,withnothinkingcapacityandnoconnectionselsewhere.
Inaword,theelectronicbrainsarehopelesslyinadequateincomparisonwiththehumanbrains.
