The IT Department Recently Updated Client Computers for the Graphics

question 148

Multiple Choice

The IT department recently updated client computers for the graphics department. A user reports the new computer has not worked since it was set up; it makes unusual sounds when pressing the power button. A technician verifies the power cable works and the computer is connected properly to both data and power. The monitor powers on but only displays the message: No source . Which of the following BEST explains the cause of this issue?

• A) There is insufficient power to the computer
• B) There is a blank screen on system boot
• C) The computer is overheating
• D) The error beep codes on POST

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Definitions:

Population Variances

Measures of the dispersion or spread of a set of data points in a population.

Sample Variances

A measure of the dispersion or spread of sample data points around their mean, indicating how spread out the sample values are.

Chi-Squared Distribution

A probability distribution that arises in statistics when a normal distribution is squared, commonly used in significance testing.

Degrees of Freedom

The count of distinct values or measures that can be allocated to a statistical distribution while adhering to all restrictions.