Apple Mac OS developers glossary letter P

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Physical address definition pages view explain product package editor what is POSIX meaning Page Setup dialog abbreviation painter’s schemat how to pane help. OS Mac.

What is Plist definition policy-based mechanizm explain product what is for developers.