单项选择题 The statistics for a poorly performing， dual-processor x365 system are as follows：     （1）Processor： 80% for 5-second increments   （2）Memory page faults： 360/second average over 15 minutes       （3）Disk % disk time： 100%   Which of the following will provide the greatest performance improvement？（）

单项选择题 WhichofthefollowingisthebenefitofinstallingtwoexpandabilitycablestoanRXE-100fromanx445？（）

单项选择题 Anx445withtwo3.0GHzDPprocessorsand2GBofRAMisrunningaprocessor-intensivefloating-pointgeologicalapplicationthatcalculatespressuresintheearth’scrust.Ittakesalongtimeforeachcalculation，andthedirectorofcomputingwantsthecalculationstotakelesstime.Memoryaddressedbytheapplicationmayalsobeabottleneck.Whichofthefollowingwillmostimprovetheabilitytorunthecalculationsinlesstime？（）