Apple Mac OS developers glossary letter P

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Project file definition probe explain pattern space what is pacing meaning play state abbreviation property list how to print settings object help provider. OS Mac.

What is Palette definition private MLTE scrap explain premultiplied what is for developers.