Which one among the following devices is used for converting digital signals into analog signals and vice versa?
Options:
Accepted Answer: (D) Modem
Topic Covered: Computer Fundamentals
Key Concept: Basic computing concepts, data representation and communication
The correct option follows from the standard definition or operation of the computing concept being tested. “Modem” matches the accepted terminology and function of the relevant device, language or software feature.
The key is to apply the central fact, formula, definition or relationship tested in the question and then eliminate alternatives that do not satisfy it.