What Device Do E-Learning Applications Usually Use to Help Users

question 14

Multiple Choice

What device do e-learning applications usually use to help users with visual impairment read digital content?

• A) Projector
• B) Plotter
• C) Motion-sensing controller
• D) Voice synthesizer

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Definitions:

MC = MR

This abbreviation stands for the equality of marginal cost (MC) and marginal revenue (MR), a condition for profit maximization in perfectly competitive markets.

Profit

The profit achieved when the income from business operations surpasses all associated expenses, costs, and taxes.

MC < MR

A condition in which the marginal cost of producing an additional item is less than the marginal revenue earned from selling it, suggesting that increasing production is profitable.

Profit

The financial gain obtained when the revenue from business activities exceeds the expenses, costs, and taxes.