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

---

Definitions:

Degrees Of Freedom

The number of values in a final calculation of a statistic that are free to vary.

Null Hypothesis

A statement or hypothesis in statistics that suggests no significant difference or effect; it is the hypothesis that researchers aim to test against.

Region Of Rejection

Values of a statistic that result in the decision to reject the null hypothesis.

Alpha

The significance level set for a statistical hypothesis test, representing the probability of rejecting a true null hypothesis.