Apple Mac OS developers glossary letter P

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple INFORMATION ABOUT Prebinding, Primary Line Direction, Preferred Application, Pdf, Pane, Psychoacoustics, Parser, Postcompensation Action, Priming Frame, Password, Ppd File OS Mac.

What is Information about Prebinding, Primary Line Direction, Preferred Application for developers.