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Digital signal is more

  • efficient
  • immune to noise
  • error free

than analog signal.

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13y ago

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Related Questions

How does a modum work?

A modem converts the digital signals(used by computer)into analog signals(in telephones) and vice versa.


A device to place digital signals on an analog system and vice-versa?

DAC - Digital to Analog ConverterADC - Analog to Digital Converter


How does internal modem work?

An internal modem converts digital data from a computer into analog signals that can be transmitted over telephone lines and vice versa. It connects to the computer's motherboard through a PCI or PCIe slot, allowing it to communicate with the operating system and applications. When sending data, the modem modulates the digital signals into analog waves, and when receiving data, it demodulates the analog signals back into digital form for the computer to process. This enables internet connectivity over traditional phone lines, allowing for dial-up internet access.


How does a UART convert an analog signal to a digital signal?

A UART does not convert an analog signal into a digital signal. It converts a serial digital signal into a parallel digital signal, and vice versa. The letters UART stand for Universal Asynchronous Receiver Transmitter. It is, fundamentally, a pair of shift registers.


What does modem stand for anyway (search the webopedia site)?

The term "modem" stands for "modulator-demodulator." It refers to a device that converts digital signals from a computer into analog signals suitable for transmission over telephone lines and vice versa. This process allows for data communication between digital devices and analog communication systems. Modems are essential for internet connectivity, enabling the transfer of information over various types of networks.


Input and output of a modem?

A modem (modulator-demodulator) converts digital data from a computer into analog signals for transmission over telephone lines or other communication media (modulation) and vice versa (demodulation). The input of a modem is typically digital data from a device like a computer or router, while the output is an analog signal suitable for transmission. Conversely, the input received by the modem is an analog signal from the communication medium, which it converts back into digital data for the receiving device. This process enables internet connectivity and data communication over various types of networks.


What is mean by modem connection?

A modem connection refers to the interface that allows digital devices to communicate over analog telecommunications lines, such as telephone or cable systems. It converts digital data from a computer into analog signals for transmission and vice versa, enabling internet access. Modems can be standalone devices or integrated into routers, and they are essential for connecting to various types of internet services, including DSL, cable, and fiber.


What are Modems used for in Internet?

Basically, modem is used to connect the analog world to the digital world. In other words, you can say it is the device that is used to convert the analog signal to digital signal. For eg. the modem connected with a computer is usually converts the analog signal that comes through the wire to the digital bit bcoz computer can only understands the digital signal...


What is a transcode?

The conversion of analog video to a digital format, or vice-versa.


Does fax machine have a modem in it?

Yes, a fax machine typically contains a modem that enables it to send and receive data over telephone lines. The modem converts digital data from the fax machine into analog signals for transmission and vice versa for incoming faxes. This allows the fax machine to communicate with other fax machines effectively.


Is a transmitter the same as a modem?

No, a transmitter and a modem are not the same. A transmitter is a device that sends out signals, typically in the form of radio waves or other forms of electromagnetic radiation. In contrast, a modem (modulator-demodulator) is a device that converts digital data from a computer into analog signals for transmission over telephone lines and vice versa. While both are involved in communication, they serve different purposes and operate at different stages of the data transmission process.


How is a modem facilitats communication different between computer?

a modem is a tool which can change analog sinal to digital signal and vice-versa. when the communication has to take place between the two computers then there is involvement of wires or some wireless technology. if communication exists between then it is through analog signals and computer can accept only digital signal. so,basically modem changes the analog signal to digital when the data is to be received at computer's end and hence it works and facilitates the commmunication between two or more computers.