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- Q175022 subject Q7215330.
- Q175022 abstract "A digital signal is a signal that represents a sequence of discrete values. A logic signal is a digital signal with only two possible values, and describes an arbitrary bit stream. Other types of digital signals can represent three-valued logic or higher valued logics.A digital signal is a physical quantity that is alternating between a discrete set of waveforms. Alternatively, a digital signal may be considered to be the sequence of codes represented by such a physical quantity. The physical quantity may be the alternating current or voltage of an electrical signal, the light intensity of an optical signal, the signal strength of a radio signal or acoustic signal, the magnetization of a magnetic storage media, et cetera. Digital signals are present in all digital electronics, notably computing equipment and data transmission.With digital signals, system noise, provided it is not too great, will not change the quantification whereas with signals handled using analog processing, noise always degrades the operation to some degree.".
- Q175022 thumbnail Original_message.jpg?width=300.
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- Q175022 wikiPageWikiLink Q7215330.
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- Q175022 comment "A digital signal is a signal that represents a sequence of discrete values. A logic signal is a digital signal with only two possible values, and describes an arbitrary bit stream. Other types of digital signals can represent three-valued logic or higher valued logics.A digital signal is a physical quantity that is alternating between a discrete set of waveforms. Alternatively, a digital signal may be considered to be the sequence of codes represented by such a physical quantity.".
- Q175022 label "Digital signal".
- Q175022 depiction Original_message.jpg.