COMPUTER SCIENCE AND ENGINEERING
COMPUTER NETWORKING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to converts analog signal into the analog signal and digital signal to digital signal
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to converts analog signal into the digital signal
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digital signal to analog signal
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to converts analog signal into the digital signal and digital signal to analog signal
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Detailed explanation-1: -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-2: -A modem transforms digital information from your computer into analog signals that can transmit over wires (and vice versa) by modulating and demodulating electrical impulses sent through phone lines, coaxial cables, or other types of wiring.
Detailed explanation-3: -In electronics, an analog-to-digital converter (ADC, A/D, or A-to-D) is a system that converts an analog signal, such as a sound picked up by a microphone or light entering a digital camera, into a digital signal.
Detailed explanation-4: -Note 1: Modems are primarily used for converting digital signals into quasi-analog signals for transmission over analog communications channels and for reconverting quasi-analog signals into digital signals.
Detailed explanation-5: -1.3. An ADC is used to convert an analogue signal such as voltage to a digital form so that it can be read and processed by a microcontroller. Some microcontrollers have built-in ADC converters. It is also possible to connect an external ADC converter to any type of microcontroller.