Apple Mac OS developers glossary letter P

What is Number Version Package Definition iteration of a single-component product package, or an iteration of a component package within a product package. This version number compare
What is Number Pseudorandom Explain produces a series of numbers with no discernible pattern. It should be impossible or nearly impossible to deduce the algorithm from such a why
What is Panic What is An unrecoverable system failure explicitly triggered by the kernel with a call to panic. Compare kernel crash how better
What is Dialog Printing Meaning A window provided by the printing system to elicit a response from the user. See also Page Setup dialog , Print dialog when
What is Queue Printer Abbreviation A temporary holding area for print jobs waiting to be printed determines
What is List Property How to data, commonly stored in Extensible Markup Language (XML) format. Elements of a property list represent data of certain types, such as comparing to
What is Window Palette Help provides a number of palettes (or panes), each of which contains object instances you can add to an application depends on
What is Parameter Crossword defines an adjustable attribute such as volume, pitch, or filter cutoff frequency. Each audio unit parameter has a name, a unit (such as which
What is Provider Examples services of some kind to its client. In a driver stack, the provider in a provider/client relationship is closer to the Platform Expert difference
What is Atom Parent Encyclopedia A QT atom that contains other QT atoms, which are its child atoms. See also child atom when
What is Loop Print Information about The sequence of function calls that set up and execute the printing of a document in an application pros and cons
What is Pane Tutorial dialog or other window. Panes usually change as the result of the user clicking a button or choosing an item from a pop-up menu. In some similarities
What is Pane Features Printer Error contains any user interface feature specified in a PostScript printer description (PPD) file that isn’t already a feature in Apple-provided how much
What is Memory Physical Answer random-access memory (RAM) chips, used to temporarily hold information at execution time. Addresses in a process’s virtual memory are how many
What is Processor Means what In Quartz Composer, a patch that processes data at specified intervals or in response to changing input values compare
What is Plumber Protocol Description A network kernel extension that routes data between an interface and a network protocol stack why
What is Pdf Definition created by Adobe Systems to represent documents in a manner independent of the software, hardware, and operating system. The format became how better
What is Dialog Print Explain application in response to the user choosing the Print command—that solicits printing information from the user, such as the number of when
What is Program What is that can be run to perform some task. Programs need not have a graphical user interface, although graphical applications are also determines
What is Portal Program Meaning A restricted-access area of the iOS Dev Center that allows you to configure devices to test your iOS applications comparing to
What is Pitch Abbreviation attribute that is roughly correlated with frequency. In general, pitch increases as the perceptually-dominant sound frequency increases depends on
What is Parameter Positional How to that is identified by the order in which it is listed. In a handler call, positional parameters are enclosed in parentheses and separated which
What is Patch Help unit in a composition, which executes and produces a result. Patches are similar to routines in traditional programming languages. See difference
What is Address Physical Crossword such as a memory chip, can directly respond. Programs, including the Mach kernel, use virtual addresses that are translated to physical when
What is Priority Examples how likely a thread is to run. The higher the thread’s priority, the more likely the thread is to run. See also scheduling policy pros and cons
What is Uid Process Encyclopedia three user IDs: the real user ID (RUID), effective user ID (EUID), and saved user ID (SUID). The RUID is always inherited from the user or similarities
What is Probe Information about candidate driver communicates with a device and verifies whether it can drive it. The driver’s probe member function is invoked to kick off how much
What is Preemption Tutorial The act of interrupting a currently running program in order to give time to another task how many
What is Prosody Error The rhythm, intonation, and lexical stress in speech compare
What is Module Printer Answer graphics content in a print job for output to a specific model or family of printers. Printer modules are created by printer vendors to why
What is Source Dispatch Process Means what process-related events. A process source calls your custom event handler in response to changes to the process you specify how better
What is Pane Feed Paper Description A pane in the Print dialog that lets the user specify the printer trays from which a print job should be printed when
What is Browser Printer Definition A module used to discover specific types of printers, such as USB or LPR printers determines
What is File Project Explain A file created by Xcode that organizes source code, resources, and settings used to build a product comparing to
What is Packet What is of information sent on a network. (2) In Core Audio, an encoding-defined unit of audio data comprising one or more frames. For PCM audio depends on
What is Pio Meaning data between a device and system memory in which each byte is transferred under control of the host processor. See also DMA which
What is Formatting Page Abbreviation A description of how the pages of a document should be printed; page formatting includes such information as page and paper sizes difference
What is Pen How to See stylus when
What is Manipulation Pixel Help Quartz does not provide functions that operate on a pixel-by-pixel basis. Core Image provides support for image processing on a per-pixel pros and cons
What is Placard Crossword Typically placards are used in document windows as a way to quickly modify the view of the contents—for example, to change the current page similarities
What is Pasteboard Examples data within applications or between applications. The most familiar use for pasteboards is handling copy and paste operations. The how much
What is Structure Protosw Encyclopedia A data structure containing function pointers and data associated with a protocol family how many
What is Panel Information about windows and provides tools or controls that users can work with while documents are open. Panel is not a user term; the equivalent term is compare
What is Permissions Tutorial who can read, write, and execute resources in the file system. The output of the ls -l command represents permissions as a nine-position why
What is Operation Privileged Error An operation that requires special rights or permissions; for example, changing a locked system preference how better
What is Pager Answer A module responsible for providing the data for the pages of a memory object. See also default pager , vnode pager when
What is Pattern Means what A sequence of drawing operations that Quartz can repeatedly paint to a graphics context determines
What is Atom Preview Description An atom of type 'pnot', which can appear in a QuickTime file to contain a movie’s file preview comparing to
What is Object Settings Print Definition printing system to store information from the Print dialog, such as number of copies, number of pages per sheet, and print quality depends on
What is Polyphonic Explain Describes an instrument capable of playing more than one note simultaneously. Compare monophonic . See also monotimbral , multitimbral which
What is Frame Priming What is A webpage template of audio data used for priming difference
What is parent document URL object Meaning the location of the enclosing folder for a document or for another parent document URL object. Search Kit manages documents using parent when
What is Variable Parameter Abbreviation handler definition that represents the actual value of a parameter when the handler is called. Also called a formal parameter pros and cons
What is Component Product How to product can have one or more components. The OS X file system contains special locations for several types of components. For example similarities
What is Page Help of information that the virtual memory system can transfer between physical memory and backing store. (2) (v.) To transfer pages between how much
What is Postscript Crossword appearance (text and graphics) of a printed page. PostScript is an industry standard for printing and imaging. Many printers contain or can how many
What is Searching Prefix Examples A prefix search involves matching a term in a query string to indexed terms, with an explicit wildcard character at the end of the query compare
What is Certificate Key Public Encyclopedia See digital certificate why
What is Phoneme Information about A distinct unit that serves to distinguish between meanings of words how better
What is Preauthorization Tutorial performing the actual authorization. Preauthorization is used to determine if a user has the possibility of authorizing later when
What is Name Port Error In Mach, an integer index into a port namespace; a port right is specified with respect to its port name. See also port right determines
What is Preset Answer A predefined set of parameter values for an audio unit comparing to
What is O I Programmed Means what transfer with explicit load and store instructions to device registers, rather than DMA, and without the use of interrupts. This data depends on
What is Searching Phrase Description terms, with the query string considered as a complete phrase. A match occurs when the exact query phrase appears in a document. Search Kit which
What is Matrix Projection Definition A matrix that OpenGL uses to transform points, lines, polygons, and positions from eye coordinates to clip coordinates difference
What is Packing Explain Converting pixel color components from a buffer into the format needed by an application when
What is Buffer Pixel What is information in main memory. In OpenGL, a type of drawable object that allows the use of offscreen buffers as sources for texturing. Pixel pros and cons
What is Poster Meaning A frame shot from a movie, used to represent its content to the user similarities
What is Editor Package Product Abbreviation that specifies packaging and installation information about a product. This pane is displayed when the product package is selected in the how much
What is Password How to Data, usually a character string, used to authenticate a user for a service or application how many
What is Set Port Help ports. A thread can receive messages sent to any of the ports contained in a port set by specifying the port set as a parameter to msg compare
What is per-file compiler flags Crossword A flag that you can use to customize the build process of source files of a particular type why
What is Primitives Examples The simplest elements in OpenGL—points, lines, polygons, bitmaps, and images how better
What is Packagemaker Encyclopedia A tool that builds an installable software package from the files you provide when
What is Name Right Port Information about port right . Each process has a port right namespace, which maps port right names to their corresponding port rights. A port right name is determines
What is Function Polynomial Tutorial commonly used for transforming pixel intensities in an image that is a summation of n factors and coefficients in the form of ax n + bx n comparing to
What is Parser Error program that works with a tokenizer to interpret a sequence of tokens. In Audio File Stream Services, a software object of type depends on
What is Pcm Answer encoding technique widely used for working with audio, invented by Alec H. Reeves in 1937. Sometimes called LPCM for linear pulse-code which
What is Cryptography Key Public Means what keys in which one key is made public while the other (the private key) is kept secure. Data encrypted with one key must be decrypted with difference
What is Path Description Quartz paints as a unit. A path can consist of straight lines, curves, or both. It can be open or closed. (2) For documentation sets, the when
What is Driver Passive Definition basic power-management tasks, such as joining the power plane and changing the device’s power state. See also active driver pros and cons
What is Parent Power Explain In the power plane, an object that provides power for a device. Compare power child . See also plane similarities
What is Settings Print What is of a print job on a specific printer; print settings include such information as the number of copies, number of pages per sheet, and how much
What is Space Pattern Meaning to the default user space by the transformation matrix (the pattern matrix) you specify when you create the pattern. Pattern space is how many
What is Object Session Printing Abbreviation printing system to store information that’s needed by the page format and print settings objects, such as default page format and print compare
What is Personality How to kinds of devices a driver can support. This information is stored in an XML matching dictionary defined in the information property list why
What is Prebinding Help program is built, by which the static linker replaces references to external symbols with the addresses of the symbols in the referenced how better
What is Znak Control Prosodic Crossword See phoneme modifier when
What is Payload Examples The product or product components contained in an installation package. See also installation package determines
What is File Pkg Encyclopedia An OS X Installer file. .pkg files can be combined into a metapackage (.mpkg comparing to
What is Palette Information about document windows and that provides items to be used when other windows are open, such as a palette that provides drawing tools depends on
What is Key Public Tutorial A cryptographic key that can be shared or made public without compromising the cryptographic method. See also public key cryptography which
What is Scrap Mlte Private Error Scrap used exclusively by MLTE difference
What is Alpha Premultiplied Answer already multiplied by an alpha value. Premultiplying speeds up the rendering of an image by eliminating an extra multiplication operation when
What is Quality Playback Means what track in a QuickTime movie. You can control the playback quality of a movie during movie playback. QuickTime chooses tracks from alternate pros and cons
What is Product Description An application or framework produced by Xcode similarities
What is Format Pixel Definition memory. The format describes the pixel components (that is, red, blue, green, alpha), the number and order of components, and other how much
What is Searching String Partial Explain to indexed terms, with implied wildcard characters at the start and end of each query term. Each term is matched separately. Search Kit how many
What is Package What is the user so that it appears to be a single file, and whose contents are ordinarily inaccessible for browsing by the user. Compare folder compare
What is Profile Provisioning Meaning development to be installed on an iOS-based device. It contains one or more development certificates, an application ID, and one or more why
What is In Plug Printing Abbreviation A stand-alone code module—packaged as a Core Foundation plug-in—that adds functionality to the OS X printing system how better
What is Schemat S Painter How to In Quartz, a drawing model in which each successive drawing operation applies a layer of paint to a page when
What is Reference Product Help reference that refers to the build system output for a particular target. A product reference lets you view your target’s products in the determines
What is View Pages Crossword In Xcode, one of the three views provided by the all-in-one layout comparing to
What is Object Format Page Examples An opaque data type used by the printing system to store information from the Page Setup dialog, such as paper size and orientation depends on
What is Infrastructure Key Public Encyclopedia See PKI which
What is Modulation Code Pulse Information about See PCM difference
What is Directory Product Tutorial The file-system directory that contains a project file, the project’s source code and resources, and the build directory when
What is Termination Phrase Error Defines when Ink input should be processed by the recognizer pros and cons
What is Gid Process Answer three group IDs: the real group ID (RGID), effective group ID (EGID), and saved group ID (SGID). The RGID is always inherited from the user similarities
What is Application Preferred Means what Services in which to open a given document or URL, either through an explicit binding preference set by the user or, in the absence of such how much
What is Plist Description See property list how many
What is Priming Definition frames to a set of audio data to support format conversion or SRC (sample rate conversion). If a converter requires priming and no leading compare
What is Action Postcompensation Explain such as addition of kashidas and ligature decomposition, that occurs after glyphs have been repositioned during justification why
What is File Ppd What is text file, created by a printer vendor, that contains keywords and other information to specify features, options, and settings for a how better
What is Unit Panner Meaning 039;aupn' that distributes a set of input channels, using a spatialization algorithm, to a set of output channels. In the simplest when
What is Pointer Abbreviation value actually serves as a reference to a value stored in a specific location. (2) In a human interface, a cursor determines
What is Pthreads How to The POSIX threads implementation. See also WebObjects Builder , thread comparing to
What is Mode Rendering Profile Help displays an analysis of each rendered frame in a composition; the analysis can help you to optimize performance depends on
What is Pal Crossword encoding system used widely in Europe, in which one of the subcarrier phases derived from the color burst is inverted in phase from one which
What is Memory Protected Examples See memory protection difference
What is Requirement Package Encyclopedia package can be installed on the computer. A package requirement can be optional; such requirements display a warning to the user but allows when
What is Pmap Information about abstract way to set and fetch virtual-to-physical mappings from hardware. The pmap system is the machine-dependent layer of the VM system pros and cons
What is Prefetching Tutorial allows you to suppress fault creation for an entity’s relationships. Instead of creating faults, the relationship data is fetched when the similarities
What is Extension Dialog Printing Error A printing plug-in that implements one or more panes in a printing dialog how much
What is Pef Answer of executable files used for applications and shared libraries in Mac OS 9; supported in OS X. The preferred format for OS X is Mach-O how many
What is Filter Socket Programmatic Means what A socket filter that is enabled only under program control by calling setsockopt on a specific socket compare
What is Event Pen Description In the Ink Services technology, a mouse event that contains tablet data why
What is Pool Definition See buffer pool how better
What is Table Packet Explain stream, metadata consisting of a table of packet descriptions. See also simple message , packet description when
What is Window Project What is A window that displays and organizes the files that make up an Xcode project determines
What is Pacing Meaning The distribution of the interpolated values of an animation across the duration of the animation comparing to
What is Posix Abbreviation Portable Operating System Interface. An operating-system interface standardization effort supported by ISO/IEC, IEEE, and The Open Group depends on
What is Rectangle Page How to the printable area on a page. The upper-left corner of the page rectangle always has the coordinates (0,0). The coordinates of the lower which
What is Separator Pathname Help The “/” character that separates folder names in a raw pathname. A raw pathname should be displayed only to expert users or in a help tag difference
What is Manager Printing Crossword routines that can be used by a Classic application to print from the Macintosh computer to any type of connected printer. This has been when
What is Container Product Examples A file that contains a packaged or unpackaged product. The two container types are disk image and ZIP archive pros and cons
What is Panel Taker Picture Encyclopedia IKPictureTaker ) that allows users to choose images by browsing the file system or by taking a snapshot with an iSight or other digital similarities
What is Expert Platform Information about motherboard that knows the type of platform the system is running on. The Platform Expert serves as the root of the I/O Registry tree how much
What is Key Private Tutorial secret. Whereas a pair of identical private keys can be used as symmetric keys , asymmetric keys consist of one private key and one public how many
What is Identifier Provider Error responsible for the contents of an installation package; for example,com.apple . PackageMaker uses this identifier to generate default compare
What is Psychoacoustics Answer The study of the perception of sound. The development of perceptual coding techniques relies on psychoacoustics why
What is Object Proxy Means what an object that is specified at runtime. Proxy objects act as stand-ins for objects that are not available at design time. Instead, such how better
What is Configuration Project Description In Xcode, the set of development features, project attributes, and project and target build settings used in a project when
What is Multitasking Preemptive Definition operating system can interrupt a currently running program in order to run another program, as needed. Compare cooperative multitasking determines
What is Pixel Explain that the graphics hardware can display on the screen. In OpenGL, pixel is made up of all the bits at the location x, y, in all the comparing to
What is Modifier Phoneme What is A symbol defined to adjust the pronunciation of an individual phoneme. Phoneme modifiers are also called prosodic control symbols depends on
What is Comment Picture Meaning processing by output devices, such as printer drivers. Picture comments are usually stored in the definition of a picture or are included which
What is Database Policy Abbreviation A database containing the set of rules the Security Server uses to determine authorization difference
What is Rate Preferred How to The default playback rate for a QuickTime movie when
What is State Play Help One of four states that a DVD can be in during playback: playing at a normal rate, paused, scanning forward, or scanning backward pros and cons
What is Menu Up Pop Crossword current choice and can be opened to present a list of mutually exclusive choices in a dialog or window. Pop-up menus have a double triangle similarities
What is Package Product Examples all the components of a product. Product packages with multicomponent products contain or reference component packages. See also how much
What is Identifier Process Encyclopedia See simple statement how many
What is Pkinit Information about A protocol that defines the use of public key cryptography for initial authentication in Kerberos compare
What is Root Project Tutorial control operations are rooted and that serves as the origin of a project hierarchy. By default, a project root is the project directory why
What is Track Panorama Error A track in a QuickTime VR movie that contains a panorama how better
What is Job Print Answer document and the settings that control printing the document and keep track of it once the job has been added to a printer’s queue when
What is Volume Preferred Means what The default sound volume for a QuickTime movie determines
What is Key Primary Description in an entity that uniquely identifies rows of that entity. For example, the Employee entity can contain an empID attribute that uniquely comparing to
What is Window Info Project Definition and editing information kept at the project level, such as general information, project build settings, project build configurations, and depends on
What is Object Parent Explain another script object, called the child, inherits properties and handlers. A parent object may be any object, such as a list or an which
What is Pbuffer What is See simple search difference
What is Queue Audio Playback Meaning See audio queue when
What is Hierarchy Patch Abbreviation In Quartz Composer, the levels in a composition created when macro patches are used. See also macro patch pros and cons
What is Size Point How to from the baseline of one line of text to the baseline of the next line of single-spaced text. In the United States, point size is measured similarities
What is Icon Proxy Help window that users can manipulate as if they were manipulating the corresponding file-system object. Users can Command-click the proxy icon how much
What is Premultiplied Crossword In image processing, said of a pixel that already has its intensity levels appropriately multiplied by the alpha value how many
What is Pid Examples Process identifier. A number that uniquely identifies a process. Also called a process ID compare
What is Line Alternation Phase Encyclopedia See unidirectional text why
What is Port Information about channel for communication between tasks running on a single system. (2) In IP transport protocols, an integer identifier used to select a how better
What is Preview Tutorial representation of the contents of a file. Previews in file dialog boxes give the user a visual cue about a file’s contents. See also file when
What is Rectangle Paper Error of a piece of paper on which a page is printed. This rectangle is defined in the same coordinate system as the page rectangle . Thus, the determines
What is Stack Protocol Answer A layer of the kernel network architecture containing the core functionality for a protocol family such as TCP/IP comparing to
What is Plaintext Means what Ordinary, unencrypted data. Compare ciphertext depends on
What is Coding Perceptual Description of limitations in human perception. In perceptual coding, audio data is selectively removed based on how unlikely it is that a listener which
What is Pull Definition audio data, typically from a buffer . Data typically moves through an audio processing graph by way of a cascade of pull requests initiated difference
What is Atom Profile Explain An atom of type 'prfl', which summarizes the features of a movie or track when
What is Presets Printing What is settings for the Print dialog. Printing presets are provided by Apple or printer vendors to reduce the need for users to navigate to pros and cons
What is Format Image Planar Meaning for images. Planar images tend to be faster to operate on than nonplanar images because operations do not need to be repeated for each similarities
What is In Plug Abbreviation separate from a host (such as an application, operating system, or other plug-in) that, by conforming to an interface defined by the host how much
What is Plane How to in the I/O Registry that have a certain type of provider/client relationship connecting them. The most general plane is the Service plane how many
What is Attribute Prototype Help A special type of attribute available in EOModeler to provide a template for creating attributes compare
What is Dialog Setup Page Crossword application in response to the user choosing the Page Setup command—that allows the user to specify the printing options (such as the paper why
What is Player Examples See music player how better
What is Pane Attributes Page Encyclopedia A pane in the Page Setup dialog that allows the user to set page format options—paper size, paper orientation, and scaling when
What is Direction Line Primary Information about left or left-to-right) of the current text. The primary line direction is typically specified by the value of the global system direction determines
What is Child Power Tutorial In the power plane, a driver for a device that relies on another object for its power. Compare power parent . See also plane comparing to
What is Depth Pixel Error The number of bits per pixel in a pixel image depends on
What is Mode Through Pass Answer respect to keyboard-entry, pass-through mode allows users to enter ASCII characters in the context of a 2-byte script, without changing the which
What is Button Push Means what on it, which the user clicks to perform an instantaneous action, such as saving a document, completing operations defined by a dialog, or difference
What is Pki Description by the X.509 standard, the set of hardware, software, people, policies, and procedures needed to create, manage, store, distribute, and when
What is Form Reference Property Definition In AppleScript, a reference form that specifies a property of an application , record , or script object pros and cons
What is Mechanizm Based Policy Explain A system that requires authorization to perform a privileged operations similarities
What is Handler Protocol What is from input packets (giving the data to interested programs) and inserts data into output packets (giving the output packet to the how much
What is Property Meaning store a value. Properties can specify characteristics of objects. (2) In KVC, any of the three kinds of object values that KVC can access how many
What is Description Packet Abbreviation stream, metadata that specifies where a packet of audio data starts as well as its size. In Core Audio, a data structure used to represent compare
What is Center Print How to An application that allows users to locate and select printers, and control and obtain status for print jobs why
What is Modulation Pitch Help The maximum amount by which the actual frequency of speech may deviate from the speech pitch how better
What is Panning Crossword of a monaural signal within a stereo or multichannel (such as surround sound ) sound field. Variations include stereo, SoundField when
What is Panorama Examples A structure of QuickTime VR data that forms a virtual-world environment within which the user can navigate determines
What is List Package Encyclopedia that lists the packages the project defines. This list is divided in two parts: the installation-package file (which contains all the comparing to
What is Identifier Package Information about Identifies the package within the Installer package database. See also Installer package database depends on
What is Process Tutorial or program. A process has its own virtual memory space and system resources (including port rights) that are independent of those assigned which
What is Painting Error For the Quartz equivalent of the QuickDraw painting operation (such as that used for the QuickDraw function PaintOval), see filling difference
What is Indicator Progress Answer A control that lets the user know that a task is in progress when
What is Properties Package Means what Installer details about the package itself, such as its identifier, version number, and resource fork processing pros and cons
What is Peek Description To examine an event in an event queue (obtaining its class, kind, parameters and so on) without removing it from the queue. Compare pull similarities
What is Store Pet Definition A sample J2EE application from Sun Microsystems, which showcases the power and flexibility of the J2EE platform how much
What is Right Port Explain In Mach , a specification of which task can send to or receive from a particular port how many

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Port right definition Pet Store explain peek what is package properties meaning progress indicator abbreviation painting how to process help package identifier. OS Mac.

What is Package version number definition pseudorandom number explain panic for developers.