英文原文文献

关于计算机方面的英文原文片段Generally,acomputerisanydevicethatcanperformnumericalcalculations—evenanaddingmachine,anabacus,orasliderule.Currently,however,thetermusuallyreferstoanelectronicdevicethatcanperformautomaticallyaseriesoftasksaccordingtoaprecisesetofinstructions.Thesetofinstructionsiscal