Which of the Following Tasks Is NOT Performed by an Operating

question 116

Multiple Choice

Which of the following tasks is NOT performed by an operating system?

• A) file management
• B) task management
• C) security management
• D) word processing

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Definitions:

P-Value

P-Value is a statistical measure indicating the probability of obtaining test results at least as extreme as the results actually observed, assuming that the null hypothesis is true.

Extrasensory Perception

A claimed ability to gain information through means other than the known human senses.

Large-Sample Z

A statistical method used for hypothesis testing and confidence interval estimation, appropriate when the sample size is large, typically using the Z-distribution.

Plus Four Estimate

A technique in statistics, particularly in bootstrap methodology, to produce a more robust estimate by adding four observations - two at each end of the sample data.