________ Rely Entirely on Readers for Their Power, Are Less

question 17

Multiple Choice

________ rely entirely on readers for their power, are less expensive, and can be read only up to 20 feet.

• A) Active QR codes
• B) Active RFID codes
• C) Passive QR codes
• D) Passive RFID codes

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Definitions:

Coincidence of Wants

In barter economies, this refers to the situation where two parties each possess an item the other wants, making an exchange possible without the need for money.

Medium of Exchange

An intermediary used in trade to avoid the inconveniences of a pure barter system.

Specialization in Production

The process by which individuals, businesses, or countries focus on producing a limited scope of goods or services to gain greater efficiency and quality.

Coincidence of Wants

A situation in a barter economy where two parties each hold an item the other wants, facilitating a direct trade without the need for a medium of exchange.