Computer Science
Assertion. A modem is a communication device that works on the principle of converting digital data to analog data and vice versa.
Reason. Modulation is a process of converting digital data to analog form and Demodulation is a process of converting analog data to digital form.
Computer Networks
2 Likes
Answer
(a)
Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
Explanation
Modem is a communication device that works on the process of modulation/demodulation. In modulation, digital data of the sender computer is converted in analog form to travel over the telephone lines to the target computer. In demodulation, received analog data is converted back to digital form for the target computer.
Answered By
3 Likes
Related Questions
A cracker and a hacker technically do the same work.
Both, a computer virus and an antivirus for computers, are programs.
Assertion. A hub can also act as an amplifier at times.
Reason. An active hub is capable of amplifying the signal during transmission while a passive hub merely lets the signal pass through it.
Assertion. A repeater is not like an amplifier.
Reason. A repeater regenerates a signal thereby removing noise.