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DRAM

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• DRM

  Short for digital rights management, a system for protecting the copyrights of data circulated via the Internet or other digital media by enabling secure distribution and/or disabling illegal distribution of the data. Typically, a DRM system protects intellectual property by either encrypting the data so that it can only be accessed by authorized users or […]

• DRM-Free

  Meaning “without digital rights management”. DRM-free music tracks can be purchased and downloaded online and are currently offered by the iTunes Store and Napster, as well as other online digital music vendors. DRM-free music may be purchased cheaper than those sold under DRM, and may also be of lesser quality. Most stores offering DRM-free music […]

• DSI

  Short for delivered source instruction, one line of new source code developed for software. DSI is used to estimate software cost (see COCOMO). Typically expressed in thousands of lines of code (e.g., 2,000 DSI or 2KDSI).

• DSDL

  Short for Double Sided Dual Layer DVD. See dual layer.

• DSLAM

  Short for Digital Subscriber Line Access Multiplexer, a mechanism at a phone company’s central location that links many customer DSL connections to a single high-speed ATMline. When the phone company receives a DSL signal, an ADSL modem with a POTS splitter detects voice calls and data. Voice calls are sent to the PSTN, and data […]

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