push button pulse code what is
Push Button, Pulse-Code Modulation, Pull, Public Key Infrastructure, Public Key Cryptography.

Apple Mac OS developers glossary letter P

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

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Push Button, Pulse-Code Modulation, Pull, Public Key Infrastructure, Public Key Cryptography, Public Key Certificate, Public Key, Pthreads, Psychoacoustics OS Mac.

What is Push Button, Pulse-Code Modulation, Pull, Public Key for developers.