qualifier
A key combination used in order to verify that an operation should occur.
query
A request made upon a database, such as to find whether records exist which meet certain requirements.
queue
A list of events, memory structures, files to be printed, or other files meant to be stored in a specific order, often dependent on time of arrival or preset access priorities.
quickshade
A rendering mode that only renders some details of a surface, allowing for faster rendering times of the surface.
quicksort
A sorting algorithm that uses recursion to sort data at higher speeds than most other sorting routines.
This is achieved by performing less comparisons and by acting non-sequentially.
QuickTime
A video and audio format designed for use with Macintosh computers.
quit
The process of closing an application or tool, stopping a shell script, or removing a process from memory.
QWERTY keymap
A layout of ASCII characters on a keyboard, used by most computers.