If Someone Speaks Too Loudly into a Microphone, a Public

question 77

Essay

If someone speaks too loudly into a microphone, a public address system will sometimes produce a loud whistle of amplified feedback. Explain whether this is an example of negative or positive feedback, and explain how the microphone, control box, and speaker of the system serve as the different components of a feedback loop.

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Definitions:

Fixed Costs

Expenses that do not change in proportion to the activity of a business, such as rent, salaries, and insurance payments.

Variable Costs

Costs that vary directly with the level of production or sales volume, such as raw materials and direct labor costs.

CIO's Salary

The compensation package awarded to a Chief Information Officer, reflecting responsibilities in overseeing an organization's technology strategy.

SaaS

Software as a Service; a software distribution model in which applications are hosted by a vendor or service provider and made available to customers over the internet.