DAC

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DAC

abbr.
digital-to-analog converter
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
To what has already been defined, we add a boolean function d(o) which indicates whether an object o is subject to mandatory (MAC) or discretionary access control (DAC); this is a function d(o) on the object itself, rather than part of an access control object.
Discretionary access control allows a user to identify those who can access the user's data, and to specify the allowable data access rights (e.g., read or write).
The Novell NetWare operating system, for example, provides for password access control, discretionary access control, and some administration.