What is the second step in opening the case of a working computer?
A. Press and hold down the power button for a moment
B. Back up important data
C. Power down the system and unplug it
D. Open the case cover
Answer: C
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Validation rules can be defined to determine what type of input will be permitted into a cell EXCEPT:
A) fractional numbers. B) text. C) whole numbers. D) decimal numbers.
In the Tracking Gantt chart, which bars are red?
A. variance bars B. critical bars C. noncritical bars D. baseline bars
A(n) ____ is a communications system enabling computer users to share computer equipment, application software, and data, voice, and video transmissions.
A. shell B. environment C. network D. server
Which of the following would be a good sentinel value used in a loop that uses a miles per hour value as the looping condition?
A. 100 B. 1000 C. 0 D. -1