HP b1000 Dual In-line Memory Module a memory board whose connectors, Diskette See floppy diskette

Glossary

D

Daisy-chaining A method of connecting devices in which the signal passes from one device to the next in serial fashion along a bus.

DDS tape drive A device that stores data on Digital Data Storage (DDS) cassettes.

Default Most commands give you a choice of one or more options. If you don’t specify an option, the command automatically assigns one. This automatic option is called the “default.” See also command option.

Dialog box A special type of HP CDE screen that contains controls and settings, and with which the user can carry on an interactive “dialog” in the process of setting whatever parameters the dialog box requests. To display an example of a dialog box, click the Style Manager button on the Workspace Manager’s front panel, then click on Color.

DIMM See Dual In-line Memory Module.

Dual In-line Memory Module A memory board whose connectors

on each side of the board are connected to different chips. This allows for a wider data path as more modules can be accessed at the same time.

Directory A special type of “container” object that contains information about the objects beneath it in the HP-UX organizational structure. Basically, it is a file that stores names and links to files and other directories See also file.

Disk A thin, round plate with a magnetic or optical surface coating on which data is stored by magnetic or optical means. See also floppy diskette, hard disk, CD-ROM disk.

Disked workstation A workstation that has its own hard disk drive.

Diskette See floppy diskette.

Double click To press and release a mouse button twice in rapid succession. The amount of time that discriminates between a double click and two single clicks is usually user-configurable. Double clicking usually invokes a different, but related, function than single clicking.

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