0
What is the transfer of digital or analog data using digital or analog signals?
Wiki User
∙ 15y ago
The transfer of digital or analog data using digital or analog signals refers to the process of transmitting information from one device to another, either through digital signals or analog signals. Digital signals are electronic signals that represent binary data, while analog signals are continuous signals that represent continuous data. The method of transfer depends on the type of data being transmitted and the technology being used for the transfer. For example, digital data can be transferred using digital signals through a computer network, while analog data can be transferred using analog signals through a telephone line. Regardless of the method used, the goal of the transfer is to accurately transmit the information from one location to another.
David Trimble
Wiki User
∙ 15y agoSignal processing
Add your answer:
Earn +20 pts
Which multiplexing technique transmits digital signal?
In analog transmission, signals are commonly multiplexed using frequency-division multiplexing (FDM)
How do you swap change the digital dash to analog in your 85 thunderbird?
by using some of the converters we can swap the analog dash into digital
Advantage of digital signal?
Higher immunity to noise, storage of digital signal is cheap and easy, its representation is only using two levels as opposed to infinite levels for analog
How are digital images transmitted?
Digital images are transmitted on computer networks by first compressing them to reduce their size. JPEGs are an example of compressed image files.
Does A digital signal consists of a continuous electrical wave?
Digital signals are virtually always transmitted using a continuous (analog) waveform. Even a signal that is called "digital" is actually analog in practice. When a digital signal is transmitted over short range (inside an integrated circuit, on a computer motherboard, etc.) we talk about it being digital, but inspection of the actual waveform with an oscilloscope will reveal that it is not just two different voltage levels. But it is "mostly digital" and can be treated as such by circuit elements that are expecting digital signals. That is, we call it a "digital signal" but it isn't perfectly digital (two different values). It is actually theoretically impossible to transmit a pure digital signal. Doing so would require an infinite energy pulse to create the step functions. In practice, the limiter to making a signal that is almost perfectly digital tends to be the "load" and the transmission channel, which both have resistance, capacitance and inductance that make even a very abrupt signal smooth out a little. When digital signals are transmitted over relatively long distances, they are sometimes deliberately "encoded" onto an analog carrier. There are various methods for doing this, such as frequency modulation, amplitude modulation, phase modulation, or combinations. There can even be multiple layers of encoding to implement features such as error detection and error correction. So if you were to inspect the signal that is transmitted, you would see an obvious analog signal, but the information that is hidden in it is an encoded digital signal that will be re-formed at the receiver.
Does a digital signal travel farther than an analog signal?
You need to make a distinction between analog and digital signals, and analog and digital data. Digital data can be sent on an analog signal by using a modem. Digital data sent on a digital signal is done over a wire using voltage pulses at two or more levels. Digital signals can't travel very far without amplifiers, but analog signals can cover huge distances, such as with satellite communications and even communications with deep space probes.
What is the purpose of a digital converter?
A digital converter converts the analog signals that are received by your TV to digital signals. Most TV providers only offer digital TV these days, so you only need it if you're still using analog.
What is the purpose of a digitizer?
A digital converter converts the analog signals that are received by your TV to digital signals. Most TV providers only offer digital TV these days, so you only need it if you're still using analog.
How to change digital signals to analog signals and again from analog to digital signals?
modem Measuring usually the voltage of the analog signal many times a second in binary number code generates a digital signal, and using a binary number code to control the voltage of an output results in a reproduced analog signal. That is what is done for stuff like digital television. A Modem (prior answer) is for when the analog signals are used to connect digital computers (like yours) together, usually over a long distance.
How are analog signals received?
Analog signals can be received using an analog receiver.
Is a telephone analog device?
If you are referring to the traditional PSTN phone, the signals that it receives are analog. If you want to know about VOIP phone, it is digital in nature. However, analog can be converted to digital by using a device called ATA.
How may analog media be converted to a digital format?
digital imaging (using digital cameras and scanners), sound cards, and analog video-capturing devices sample, compress, and convert analog media into a series of 0s and 1s (digital) signals for processing by a computer
Why are digital system capable of accuracy than analog system?
1.having low noise as compare to analog. 2.using TDMA Iinstead of FDMA techniques used in analog. 3.in digital signals regenrative repeaters are used at every regeneration point of the signals so low loss of signals are there as compare to analog signals
How are analog signals transmitted-?
Analog signals are transmitted as electrical waves.
Is a computer an analog device?
The majority of modern computing devices are digital. That means they work by using many on and off type electrical signals. Analog computers work by using vary ranges of constantly-changing signals in real-time without converting them to digital sequences first.
Do you have to have a digital converter box?
No, you should not need a digital converter box anymore (unless you are still using an old analog television). Most digital televisions sold are capable of receiving both digital signals and the few remaining analog signals (permitted for very low power stations only at this time).
How are analogical processes related to transfer of learning?
In electrical engineering and computer science, analog image processing is any image processing task conducted on two-dimensional analog signals by analog means (as opposed to digital image processing).
