Tapping a mouse button twice in rapid succession. Note that the second click must immediately follow the first, otherwise the program will interpret them as two separate clicks rather than one double click.
In Microsoft Windows and the Macintosh interface, you can use a double click to open files and applications. Both systems let you set the double-click speed (the longest acceptable interval between each click).
- double-density disk
A floppy disk that has twice the storage capacity of a single-density floppy. Single-density disks are now obsolete. Double-density 5¼-inch disks for PCs can hold 360K of data. Double-density 3½-inch disks can hold 720K.
In online forums double posting is when a user posts the same message or slightly edited versions of the message more than once, in more than on discussion thread. Double-post is also called cross-post.
- double precision
Refers to a type of floating-point number that has more precision (that is, more digits to the right of the decimal point) than a single-precision number. The term double precision is something of a misnomer because the precision is not really double. The word double derives from the fact that a double-precision number uses twice […]
- double-sided disk
A floppy disk with both sides prepared for recording data. You can store twice as much data on a double-sided disk, but you need to use a double-sided disk drive. All modern disks and disk drives are double-sided.
Not working. A computer system is said to be down when it is not available to users. This can occur because it is broken (that is, it has crashed), or because it has been made temporarily unavailable to users so that routine servicing can be performed.