更新时间：2025-08-07 14:28:35
somerecentdevelopmentsinthecomputerindustrymakescientistspredictthatthegapbetweenhumanbeingsandmachineswillbeclosedabouttheyear20000.
tounderstandthesignificanceofthispredictionletuscomparethehumanbrainwithexistingcomputers.thebrainconsumeselectricalenergyattherateof25wattsandoccupiesavolumeofonetenthofacubicfoot.thebrainhousesbetween10billionand100billionitemsofinformation.everybraincellisdirectlyconnectedtomanyothercells.asaresult,thecellsinwhichinformationisstoredcancommunicatewiththousandsofothercells.
however,thecomputerconsumes1000,000wattsofelectricalpowerandoccupieshundredsofcubicfeetofspace.itsmillionitemsofimmediatelyaccessibleinformation.incontrast,thecomputermemoryislikeacellofpigeonholes,withnothinkingcapacityandnoconnectionselsewhere.
inaword,theelectronicbrainsarehopelesslyinadequateincomparisonwiththehumanbrains.
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