Which of the following statements about cooling is true？（）
Adapter cards （e.g. modems） do not add to the heat generated in a computer case.
Bus mastering reduces the amount of heat generated inside a computer case.
C. Removing expansion slot covers can compromise cooling airflow design.
D. Periodic cleaning of the computer components inside the case has no effect on cooling efficiency.
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供应商有下列哪些情形之一的，依照政府采购法第七十七条第一款的规定追究法律责任。（）
A. 中标或者成交后无正当理由拒不与采购人签订政府采购合同
B. 未按照采购文件确定的事项签订政府采购合同
C. 将政府采购合同转包
D. 与采购人协商将政府采购合同分包
E. 擅自变更、中止或者终止政府采购合同
AftervisitingtheWindowsUpdatewebsiteonaWindows2000computerandinstallingallupdates,auserreportsthattheyareunabletoselectanyresolutionabove640X480withsixteencolors. WhichofthefollowingproceduresshouldthetechniciancompleteFIRST?（）
A. IncreasetheamountofsharedvideomemoryintheBIOSsettings.
B. Reinstalldevicedriversforthevideocardfromthemanufacturer’swebsite.
C. SetHardwareAccelerationforthevideocardtofullintheadvancedareaofDisplaySettings.
D. UninstalltheWindowsServicePackthathadbeeninstalledmostrecently.
Auserneedsassistanceintroubleshootingaprintingproblem.Theprintjobseemstoprocesscorrectlyattheworkstationbutnevercomesoutoftheprinter.Whichofthefollowingshouldatechnicianrecommend?（）
A. Restarttheprintjobintheprintqueue.
B. Printatestpagefromtheprinterproperties.
C. RuntheAddPrinterWizard.
D. Restarttheprintspoolerservice.
When a technician is moving a CRT monitor to another location， the monitor falls and breaks. Which of the following is the BEST way for a technician to clean up after this accident？（）
A. Use gloves and a broom to sweep the glass and debris into a rigid container.
B. Use a bucket of warm water and bleach to wash away loose debris before placing the glass in a trash can.
C. Individually pick up the glass and place into a plastic bag， do not sweep as this may cause dust to become airborne.
D. Use latex surgical gloves to place the glass into a plastic bag， sealing the bag after.
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