question_answer

Which among the following is the medium of communication device?

A)  Bus                 

B)  Port

C)  Modem 

D)  Hub

E)  None of these

Correct Answer: C

Solution :

[c] A modem (modulator-demodulator) is a device or program that enables a computer to transmit data over. For example, telephone or cable lines. Computer information is stored digitally, whereas information transmitted over telephone lines is transmitted in the form of analog waves. A modem converts between these two forms.