Which Port Is the Most Common Port Found on Today's

question 31

Multiple Choice

Which port is the most common port found on today's computing devices?

• A) Universal serial bus (USB)
• B) Parallel
• C) FireWire
• D) Ethernet

---

Definitions:

Marginal Revenue

The supplementary income produced through the sale of an extra unit of a product or service.

Equilibrium Price

The price at which the quantity of goods suppliers are willing to produce equals the quantity of goods consumers are willing to buy.

Normal Profit

The minimum level of profit necessary for a company to remain competitive in the market, covering opportunity costs but not generating economic profit.

Market Equilibrium

The state in which market supply and demand balance each other, and, as a result, prices become stable.