Apple Mac OS developers glossary letter P

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Player definition provisioning profile explain proxy object what is port set meaning PAL abbreviation pool how to packet help protocol plumber crossword. OS Mac.

What is Psychoacoustics definition package version number explain priming for developers.