EDUCATION (CBSE/UGC NET)

EDUCATION UGC NET

ICT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following statement is correct?
A
Modem is a software
B
Modem is the operating system
C
Modem helps in stabilizing the voltage
D
Modem converts the analog signal into digital signal and vice-versa
Explanation: 

Detailed explanation-1: -Detailed Solution. The correct answer is Modem converts the analogue signal into a digital signal and vice-versa. The modem converts the analogue signal into digital signal and vice-versa.

Detailed explanation-2: -The correct answer is Modem. Modem stands for Modulator-Demodulator. Modulation and Demodulation are coding and decoding processes where the analog signals are converted into digital signals and vice versa for proper transmission of data.

Detailed explanation-3: -The modem converts (or modulates) the digital signal, which doesn’t transmit efficiently over a phone line, into an analog signal that does. Once the analog signal reaches its intended target, the receiving modem converts it back into a digital signal (demodulation).

Detailed explanation-4: -Analog-to-digital conversion (ADC) is an electronic process in which a continuously variable, or analog, signal is changed into a multilevel digital signal without altering its essential content.

There is 1 question to complete.