DAC has various meanings in the IT Terminology category. Discover the full forms, definitions, and usage contexts of DAC in IT Terminology.
In electronics, a digital-to-analog converter is a function that converts digital data into an analog signal . An analog-to-digital converter performs the reverse function. Unlike analog signals, digital data can be transmitted, manipulated, and stored without degradation, albeit with more complex equipment. But a DAC is needed to convert the digital signal to analog to drive an earphone or loudspeaker amplifier in order to produce sound .
IT TerminologyMeans of restricting access to objects based on the (DAC) identity and need-to-know of users and/or groups to which the object belongs. Controls are discretionary in the sense that a subject with a certain access permission is capable of passing that permission (directly or indirectly) to any other subject.
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