單項(xiàng)選擇題

The contrast ratio for an LCD monitor is BEST defined as the ratio between:（）

A. display resolution and brightness.
B. power consumption and output intensity.
C. power savings of a comparable crt monitor and the lcd.
D. the darkest and lightest displayed output.

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A user can no longer launch their word processing program. The program worked fine yesterday.Which of the following options could BEST be used to fix the word processing program?（）

A. Safe Mode
B. Automated System Recovery
C. Last Known Good Configuration
D. System Restore

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A user is having problems printing. The technician believes the printer may be out of ink. Which of the following troubleshooting steps should be performed NEXT?（）

A. Establish a plan of action to resolve the problem
B. Implement the solution
C. Test the theory to determine cause
D. Verify full system functionality