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- 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？（）
A、Add memory
B、Add a processor
C、Exchange the existing processor for a faster processor
D、Add a faster disk subsystem
- A
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