Q
- quasi-batch mode
- A mode of operation available only to personal MSAMs in which the MSAM complies with the minimum requirements of online mode
See also: online mode
- query
- A string of commands and data sent to a database or other data source. A query does not necessarily extract data from a data source; it might only send data or commands to a database or other application.
- query definition function
- A function contained in a query document that prompts the user for information and modifies the query before the Data Access Manager sends it to the data server.
- query document
- A file of file type 'qery' containing commands and data in a format appropriate for a database or other data source. An application uses high-level Data Access Manager routines to open a query document.
- query record
- A data structure in memory containing information provided by a 'qrsc' resource. The query record includes a pointer to a query.
- queue
- A list of identically structured entries linked together by pointers.
- queue context
- A grouping of virtual message queues. When you close a queue context, you simultaneously close all of the queues associated with that context
See also: virtual queue
- queue element
- A data structure that contains a pointer to the next queue element in the queue, a value indicating the queue type, and a variable data field.
- queue header
- A data structure that contains flags specific to the queue, a pointer to the first element in the queue, and a pointer to the last element in the queue.
- Queue Utilities
- The collection of routines for directly adding a queue element to a queue or directly removing a queue element from a queue.
- QuickDraw
- The part of the Mac OS that manages graphics operations
See also: basic QuickDraw, Color QuickDraw
- QuickDraw global variables
- A set of variables stored in a 680x0 application's A5 world that contain information used by QuickDraw.
- QuickDraw GX
- A collection of graphics, typography, and printing routines that provide provides applications with sophisticated color publishing capabilities. QuickDraw GX augments the capabilities of QuickDraw.
- QuickDraw GX cache
- Temporary memory that is managed by QuickDraw GX. Each object has a pointer to one or more caches. Each cache is related to only one object
See also: dead cache, live cache
- QuickDraw GX Font Feature Registry
- An official document maintained by Apple Computer, Inc., in which feature types and feature selectors are defined and named.
- QuickDraw GX memory
- The parts of computer memory used by QuickDraw GX, including the graphics client heap
See also: application heap
- QuickDraw printer driver
- A printer driver that renders images on the Macintosh computer and then sends the rendered images in the form of bitmaps or pixel maps to the printer, which might be a dot-matrix printer, an ink jet printer, a laser printer, or a plotter.
- QuickDraw-specific color-matching function
- One that uses QuickDraw to provide images showing consistent colors across displays
See also: general purpose color-matching function
- QuickTime
- A collection of managers and other system software components that allow your application to control time-based data.
- quiet NaN
- A NaN that propagates through arithmetic operations without signaling an exception.
- Quit Application event
- An Apple event that requests that an application perform the tasks"such as releasing memory, asking the user to save documents, and so on"associated with quitting; one of the four required Apple events. The Finder sends this event to an application immediately after sending it a Print Documents event or if the user chooses Restart or Shut Down from the Finder's Special menu.