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CPU
Central processing unit. A computer chip that interprets and executes program instructions. Also referred to as the microprocessor.
CRIMM
Continuity Rambus
See
DAT
Digital audio tape. A type of magnetic tape originally designed for audio format, now also used in computers to back up data. DAT cassettes are about the physical size of audio cassettes and can store numerous GB of data.
Data Striping
The segmentation of logically sequential data, such as a single file, so that segments can be written to multiple devices, usually hard drives, in a
dB
Decibel(s). A measurement of relative loudness of a sound or, in electronics, for the relative difference between two power levels.
DC
Direct current. An electric current flowing in one direction only. See AC.
DCE
Data communication equipment. In computer data transmission, DCE is the
modem or other serial device uses to exchange data with the computer. See also DTE.
Device
Any piece of equipment that is not part of the essential computer (such as the microprocessor, RAM, and data buses) but is connected to or installed in the computer. Some devices are installed inside the main part of the computer, such as the hard drive, CD drive, and network adapter. Other devices are outside the computer, such as the printer, but are attached by a cable or wireless connection.
DIMM
Dual
DIN
Deutsche Industrie Normenausschuss. A German standards organization and member of ISO.
DIN is also a form of connector on your computer that is round, has 5 pins, and is typically used to connect AT keyboard cable connectors. See also
DMA
Direct memory access. An electronic pathway or direct channel on which a device can bypass the microprocessor and transfer data directly to RAM. A DMA channel is often one of the resources assigned when configuring an expansion card or EIDE drive. DMA is a recent alternative to PIO.
DMI
Desktop Management Interface. A standard of WfM that provides a method to determine various management attributes of a computer through the use of a standard software interface.
DMTF
Distributed Management Task Force. An industry organization leading the development, adoption, and unification of management standards and initiatives
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