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Disk Drive
The hardware which spins the disk and has the heads and control circuitry for reading and writing the data on the
disk.
DMA
Direct Memory Access. Special circuitry for memory to memory transfers of data which do not require CPU action.
DMI
Desktop Management Interface. A standard that provides PC management applications with a common method of
locally or remotely querying and configuring PC computer systems, hardware and software components, and
peripherals.
DNS
Domain Name System. A function to control the association between the IP address and the name assigned to the
computer. If you do not know the IP address but if you know the computer name, you can still communicate to that
computer.
Driver
A computer program which converts application and operating system commands to external devices into the exact
form required by a specific brand and model of device in order to produce the desired results from that particular
equipment.
Encryption Key (Network Key)
Data encryption key used to encrypt message text and for computing message integrity checks. Data encryption
protects data from unauthorized viewing.
This device uses the same encryption key to encode and decode the data, and the identical encryption key is required
between the sender and receiver.
ESD
Electro-Static Discharge. The sudden discharge of electricity from a static charge which has built-up slowly. Example:
the shock you get from a doorknob on a dry day or the sparks you get from brushing hair on a dry day.
