Answer:
C. Technological substitution
Explanation:
Based on the information provided within the question it can be said that this scenario best illustrates the concept of Technological substitution. This term refers to an individual/organization's preference of one product over another because of it's technological advancements. Such as in this case since the new printer is able to perform the same job as the three other devices combined.
He's rich, smart, and cares about others. Also he tries to fix problems before they become bigger and dangerous.
Modems create an analog signal that carries digital data on it,
and strip the digital data from an analog signal that they receive.
That's what's needed to connect through the telephone system,
since the telephone system is still one big analog system.
Answer: Hardware
Explanation: physical equipment that processes data in order to create information is called the Hardware.