Apple Mac OS developers glossary letter M

What is Folder Media Definition The video directory on a DVD disc volume. See VIDEO_TS compare
What is Bar Menu Explain The strip at the top of the user’s primary display that contains menu titles. It includes system and application menus why
What is Aac 4 Mpeg What is See AAC how better
What is mutually exclusive attribute group Meaning A set of attribute choices in which the user can select only one item, such as font size. Compare accumulating attribute group when
What is movie display boundary obszar Abbreviation area occupied by a movie in the display coordinate system, before the movie has been clipped by the movie display clipping region. See also determines
What is Install Managed How to process. Users open an installer package in the Installer application, which performs all installation tasks comparing to
What is Type Mime Help A string designating the type of data in an attachment transmitted via MIME, such as text/plain, image/jpeg, audio/mp3, or video/quicktime depends on
What is Object Memory Crossword An object managed by a pager that represents the memory, file, or other storage that backs a VM object. See also pager which
What is 4 Mpeg Examples coding formats, formally designated as ISO/IEC-14496, first published in 1998. MPEG-4 encompasses many of the features introduced in MPEG-1 difference
What is Monitor Encyclopedia administer deployed WebObjects applications. It’s capable of handling multiple applications, application instances, and applications hosts when
What is Direction Mechanizm Information about elements, including the default line direction (left-to-right or right-to-left) for text in the system script. System direction is pros and cons
What is Map Tutorial address space (physical or virtual) to a range in another address space. The virtual-memory manager accomplishes this by adjusting its VM similarities
What is File Mapped Memory Error memory. The virtual-memory system transfers portions of these contents from the file to physical memory in response to page faults. Thus how much
What is Method Answer In object-oriented programming, a procedure that can be executed by an object how many
What is Entity Midi Means what MIDI endpoints. For example, a MIDI driver may group a MIDI-in and a MIDI-out endpoint together in a MIDI entity compare
What is Mp4 Description also known as MPEG-4 Part 14. MP4 files can hold many different types of data, such as AAC and MP3 audio, or MPEG-2 and H.264 video why
What is Protection Memory Definition A system of memory management in which programs are prevented from being able to modify or corrupt the memory partition of another program how better
What is Endpoint Midi Explain An abstract representation of a MIDI cable connection (or port) as used by Core MIDI when
What is Multihoming What is addresses in one computer, usually on different networks. For example, multihoming might be used to create a system in which one address is determines
What is Coalescing Event Mouse Meaning mouseDragged events by checking to see if one of these events exists in the event queue, and if it does, updating the queue with the comparing to
What is Monophonic Abbreviation Describes an instrument that plays only one note at a time. Compare polyphonic . See also monotimbral , multitimbral depends on
What is Framework Mechanizm How to A framework developed by Apple and installed in the file-system location for system software which
What is Version Major Help designating a framework that is incompatible with programs linked with a previous version of the framework’s dynamic shared library difference
What is Mlan Crossword based interconnection protocol that carries multichannel audio and MIDI over a single cable. See also MIDI when
What is Matrix Modelview Examples A 4 X 4 matrix used by OpenGL to transforms points, lines, polygons, and positions from object coordinates to eye coordinates pros and cons
What is Object Mechanizm Encyclopedia An object that is part of a scriptable element of OS X similarities
What is Tool Management Information about an application-server configuration can be modified. It also allows for the viewing of statistics of resources and services deployed on how much
What is Makefile Tutorial tool to create an executable version of an application. A makefile details the files, dependencies, and rules by which the application is how many
What is Font Mechanizm Mini Error The font used for the text in most mini controls. It is Lucida Grande Regular 9 pt compare
What is Synthesizer Macintalk Answer The built-in speech synthesizer available in OS X why
What is Key Modifier Means what the meaning of another key being pressed simultaneously or to alter the meaning of a mouse action. The Option and Command keys are examples how better
What is MPEG-4 Part 14 Description See MP4 when
What is Dialog Modeless Definition to dismiss it before interacting with anything else onscreen. The “find and replace” dialog in many word processors is an example of a determines
What is Font Mechanizm Explain The font used for text in menus and in modeless dialogs, and for titles of document windows. It is 13-point Lucida Grande Regular comparing to
What is Loop Event Main What is application spends most of its time. The application is blocked while waiting for events. When an event occurs, the application processes depends on
What is Modal Mechanizm Meaning do anything else until the window is dismissed. You should avoid using the system-modal state if at all possible. Compare application which
What is Movie Abbreviation managed by QuickTime. A movie may contain sound, video, animation, or a combination of any of these types of data. A QuickTime movie difference
What is 2 Mpeg How to coding formats, formally designated as ISO/IEC-13818, first published in 1994. MPEG-2 encompasses formats of generally higher quality than when
What is Id Media Help folder by DVD Playback Services. This identifier can be used as a key when saving information about media playback, such as bookmarks pros and cons
What is Matching Crossword See device matching , driver matching similarities
What is Margins Examples The left, right, top, and bottom sides of the text area how much
What is Bubble Message Encyclopedia a project message in place—that is, in the location the message applies to, such as a code line that contains an error how many
What is Matte Information about A defined region of a movie display that can be clipped and filled with another display compare
What is Form Reference Middle Tutorial In AppleScript, the reference form that specifies the middle object of a particular class in a container. This form is rarely used why
What is Movie Toolbox Access Keys Error A QuickTime API that can be used to add password protection to QuickTime data how better
What is Mig Answer Mach interface generator. A language for generating RPC (remote procedure call) interfaces for interprocess communication between Mach tasks when
What is Resource Movie Means what provide the medium of exchange for movie data between applications on a Macintosh computer and between computers, even computers of determines
What is Port Midi Description point in a hardware-based or virtual MIDI network. Each port can support up to 16 channels of MIDI data. In Core MIDI, a port is comparing to
What is Aac 2 Mpeg Definition See AAC depends on
What is Output Mechanizm Explain In OS X, the hardware destination for all system sounds which
What is Poster Movie What is QuickTime movie. You specify a poster as a point in time in the movie and specify the tracks that are to be used to constitute the poster difference
What is many-to-many relationship Meaning in which each record in the source entity may correspond to more than one record in the destination entity, and each record in the when
What is Lock Mutex Abbreviation allows multiple threads to synchronize access to shared resources. A mutex has two states: locked and unlocked. Once a mutex has been pros and cons
What is Thread Main How to A special type of thread created when its owning process is created. When the main thread of a program exits, the process ends similarities
What is Keychain Mechanizm Help as a whole, rather than to a particular user. System keychains are usually used by system daemons and services, but can also be accessed by how much
What is Script Mechanizm Crossword operating system, such as in dialogs and menu bars. The system script affects system defaults, such as the system font, line direction, and how many
What is MPEG-1, audio layer 3 Examples See MP3 compare
What is Multiplexing Encyclopedia See interleaving why
What is Length Term Minimum Information about to index. When Search Kit adds terms from a document to an index, it skips over words whose length is shorter than the minimum term length how better
What is Version Minor Tutorial designating a framework that is compatible with programs linked with later builds of the framework within the same major version. Compare when
What is Mp3 Error layer 3. A lossy, perceptual compression format for audio data that can achieve 10:1 data compression with usable sound quality. MPEG-1 determines
What is Application Restricted Mechanizm Answer An application that has a portion of its features restricted to specific users because of the BSD permissions system comparing to
What is Requirement Mechanizm Means what A condition that must be met by the computer (and associated operating system) in order for an installation to proceed depends on
What is Mpeg Description international working group of ISO/IEC that develops standards for digitally coded representations of audio and video. MPEG is part of the which
What is File Movie Definition A QuickTime file that stores a movie and its associated data difference
What is Midi Explain standard data protocol for communication between computers and electronic music instruments, first adopted in 1983 by the AES . Core Audio when
What is Sleep Mechanizm What is A sleep state that occurs when the user chooses Sleep from the Apple menu or closes the lid of a laptop computer. See also idle sleep pros and cons
What is Button Minimize Meaning A window control (the middle yellow button that appears at the top left) that the user clicks to put a window into the Dock similarities
What is Install Manual Abbreviation A user-driven installation process. Users drag a product’s files to a location of their choosing in their file system. Compare window how much
What is Microkernel How to abstractions. Typically, higher-level OS services such as file systems and device drivers are implemented in layers above a microkernel how many
What is movie display clipping obszar Help display coordinate system. Only that portion of the movie that lies in the clipping region is visible to the user. QuickTime applies the compare
What is Id Menu Crossword A unique ID that identifies a menu why
What is Hint Type Mime Examples likely content type for a URL. In Search Kit, common MIME type hints include text/plain, text/rtf, text/html, text/pdf, and how better
What is Kernel Monolithic Encyclopedia pieces of the kernel are closely intertwined. A monolithic kernel provides substantial performance improvements. It is difficult to evolve when
What is 1 Mpeg Information about A set of audio and video perceptual coding formats, formally designated as ISO/IEC-11172. MPEG-1 encompasses the Video CD and MP3 formats determines
What is Sprite Movie Tutorial A sprite that lives in a sprite track and acts in a movie. See also sprite track comparing to
What is Metapackage Error other installation packages, usually component packages. Metapackages are used to deliver multicomponent products to users and to provide depends on
What is Mach Answer that provides such basic services and abstractions as threads, tasks, ports, interprocess communication (IPC), scheduling, physical and which
What is Matrix Means what grid. It can be thought of as the mathematical equivalent of a two-dimensional array. Much like two-dimensional arrays, matrices are difference
What is Monotimbral Description unit configured to produce sounds of only a single timbre. Both monophonic and polyphonic instrument units can be monotimbral. Compare when
What is Files Managed Definition The files stored in a source control repository pros and cons
What is Obszar Boundary Movie Explain the area occupied by a movie in the movie coordinate system, before the movie has been clipped by the movie clipping region. A movie’s similarities
What is Mime What is A standard for transmitting formatted text, hypertext, graphics, and audio in email messages over the Internet how much
What is Media Meaning information that describes the data for a track in a movie. Note that a media does not contain its data; rather, a media contains a how many
What is Obszar Clipping Movie Abbreviation movie’s coordinate system. QuickTime applies the movie’?’slipping region to the movie boundary region to obtain a clipped movie boundary compare
What is Metamorphosis How to The process by which glyphs are rearranged, substituted, deleted, and inserted based upon their properties and contextual states why
What is Server Mach Help A task that provides services to clients, using a MIG-generated RPC interface. See also MIG how better
What is Item Menu Crossword One of the choosable options displayed in a menu when
What is Music Examples One of the QuickTime media types, in which sequences of sounds and tones are generated determines
What is Menu Encyclopedia A user interface element that displays a list of possible selections to the user comparing to
What is O Mach Information about Mach object file format. The preferred object file format for OS X. See also PEF depends on
What is Descriptor Memory Tutorial of data, depending on direction, should either be laid into memory or extracted from memory. It represents a segment of memory holding the which
What is Mbuf Error A data structure containing data about a network packet difference
What is Mipmaps Answer provided at various resolutions, whose purpose is to minimize artifacts that can occur when a texture is applied to a geometric primitive when
What is Cookie Magic Means what structure for transporting audio format metadata. For audio formats that use them, such as AAC, a magic cookie is produced during encoding pros and cons
What is Multitimbral Description In Core Audio, describes an instrument unit configured to allow production of more than one timbre simultaneously. Compare monotimbral similarities
What is Mach port dispatch source Definition A dispatch source used to process events arriving on a Mach port how much
What is Window Main Explain user’s actions. It may accept keyboard input itself or may work in conjunction with a key window. For example, a text editing document how many
What is Mtc What is MIDI timecode. A music synchronization protocol, defined as part of the MIDI protocol. MTC emulates SMPTE timecode . See also timecode compare
What is Atom Header Movie Meaning A QT atom that specifies the characteristics of an entire QuickTime movie why
What is Track Modifier Abbreviation modifies the data or presentation of other tracks. For example, a tween track is a modifier track. See also tween track how better
What is Multicast How to be addressed to multiple recipients. Multicast is used, for example, in streaming video, in which many megabytes of data are sent over the when
What is Unit Output Mechanizm Help An Apple-supplied audio unit that connects with whichever hardware device the user has designated to be the system output determines
What is Multitasking Crossword The concurrent execution of multiple programs. OS X uses preemptive multitasking comparing to
What is Digest Message Examples hash function to a message or other data. A cryptographically secure message digest cannot be transformed back into the original message depends on
What is Handler Media Encyclopedia for mapping from the movie’s time coordinate system to the media’s time coordinate system. The media handler also interprets the media’??s which
What is Preview Movie Information about QuickTime movie. Movie previews typically last no more than 3 to 5 seconds, and they should give the user some idea of what the movie difference
What is Frequency Term Minimum Tutorial times a term can appear in a document and still be indexed. This functionality is not currently supported by Search Kit indexes when
What is Timecode Midi Error See MTC pros and cons
What is Dictionary Matching Answer describe the properties of a device or other service. The values in a matching dictionary are compared against those in a driver similarities
What is man-in-the-middle attack Means what which the attacker can intercept messages going between two parties without the communicating parties’ knowledge. Typically, the man in how much
What is Glyph Character Missing Description The glyph in a font that is drawn when no glyph is defined for a character code in a font how many
What is Index Item Menu Definition A one-based index that identifies a particular menu item in the menu. A menu item index of 3 indicates the third item in the menu compare
What is Mvc Explain that assigns objects in an application to one of three roles and recommends a distinct separation among model, view, and controller why
What is Message What is thread that is guaranteed to be delivered atomically to another task or thread. In Mach, a message consists of a header and a variable how better
What is Player Music Meaning The Core Audio programming construct that applications use to play MIDI or other event data when
What is Manager Abbreviation In Carbon, a library or set of related libraries that define a programming interface determines
What is Cursor Memory How to ranges in a memory descriptor in physical memory, generating a scatter/gather list suitable for a particular device or DMA engine. The comparing to
What is Patch Macro Help other patches. A macro is similar to a subroutine in a traditional program. A macro can nest other macros within it. A macro is visually depends on

Definitions for Mac OS developers

Apple library, Mac for software engineers.

Apple Macro patch definition memory cursor explain manager what is music player meaning message abbreviation MVC how to menu item index help missing character glyph. OS Mac.

What is Media folder definition menu bar explain MPEG-4 AAC what is mutually for developers.