Which of the Following Is a Technique for Controlling Access

question 45

Multiple Choice

Which of the following is a technique for controlling access to a critical region?

• A) Spooling
• B) Time sharing
• C) Semaphore
• D) Booting

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Definitions:

Error

The difference between a measured or calculated value and its true value; often used in statistics and scientific experiments.

Confidence Interval Estimate

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter.

Prediction Interval

An estimate of an interval in which future observations will fall, with a certain probability, given what has already been observed.

Expected Value

The average outcome that one can expect to occur after many repetitions of a random experiment.