Let a and B Be Valid Boolean Expressions

question 29

Multiple Choice

Let a and b be valid boolean expressions. Which of the following best describes the result of the expression a || b?

• A) It will evaluate to true if a evaluates to true and b evaluates to true. It will evaluate to false otherwise.
• B) It will evaluate to false if a evaluates to false and b evaluates to false. It will evaluate to true otherwise.
• C) It will evaluate to true if a evaluates to false and b evaluates to false. It will evaluate to true otherwise.
• D) It will evaluate to true if a evaluates to false or b evaluates to false. It will evaluate to true otherwise.
• E) None of the above statements correctly describes the evaluation of the expression.

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Definitions:

Fixed Costs

Costs that do not vary with the level of production or sales, remaining constant regardless of business activity levels.

Financial Break-Even

The point at which a project or company generates enough revenue to cover its operating and financial expenses.

Variable Costs

Costs that vary directly with the level of production or volume of output, such as materials and labor directly involved in a company's manufacturing process.

Required Rate of Return

The minimum return an investor expects to achieve by investing in a particular asset, taking into account its risk level.