A GUI Should Be Responsive to the User

question 74

Multiple Choice

A GUI should be responsive to the user.If a GUI interaction starts a time-consuming task, the GUI may not be responsive to the user until the task completes.Which approach would make the GUI responsive under these circumstances?

• A)As you run the task, break and check for events.
• B)Ask the user if she is sure she wants to run the task.
• C)Run the task in a separate thread.
• D)Disable the GUI during the task.

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Definitions:

Fixed Expenses

Expenses that remain constant regardless of the amount of goods produced or sold, including lease payments, wages, and coverage costs.

Net Income

The profit or loss of a business after all expenses, taxes, and costs have been subtracted from total revenues.

Selling Price

The selling price is the amount a buyer pays to purchase a product or service from a seller.

Contribution Margin Ratio

The percentage of sales revenue remaining after variable costs are subtracted, indicating the portion contributing to covering fixed costs and generating profit.