The Case with Cellular Phones and Networks and Open-Source Models

question 59

Multiple Choice

The case with cellular phones and networks and open-source models in software are cited to substantiate the fact that:

• A)The possibilities of digital and wireless technologies are vast
• B)Internet allowing easy dissemination of information
• C)Global connections do not necessarily level the playing field
• D)Satellites will play a role in learning

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Definitions:

Alternating Current

An electric current that periodically reverses direction, in contrast to direct current (DC) that flows only in one direction.

Direct Current

A type of electrical current where the flow of electric charge is in one direction, commonly used in low voltage applications.

NOR Function

A logical operation that outputs true only if all inputs are false, used in digital electronics and computer programming.

NAND Function

A logical operation that produces an output that is false only if all its inputs are true, represented as NOT (A AND B).