Wednesday, March 19, 2008

FEATURES OF MACOS X-OPERATING SYSTEM


Aqua GUI – A fluid graphical user interface with glass-like elements. Anti-aliasing of widgets, text, graphics and window elements. ColorSync color matching built into the core drawing engine, for print and multimedia professionals. Drop shadows around window and isolated text elements to provide a sense of depth. A Dock holding file/folder shortcuts as well as minimized windows. Full-color, scalable icons up to 512x512 pixels Human interface guidelines followed by almost all applications, giving them consistent user interface and keyboard shortcuts. New interface elements including sheets (document modal dialog boxes attached to specific windows) and drawers. OpenGL composites windows onto the screen to allow hardware-accelerated drawing. This technology (introduced in version 10.2) is called Quartz Extreme. Quartz's internal imaging model correlates well with the Portable Document Format (PDF) imaging model, making it easy to output PDF to multiple devices. PDF viewing is built in. When a widget is added to the dashboard, it appears with a ripple effect.Automator – an application designed to create an automatic workflow for different tasks (introduced in version 10.4). Dashboard – A full-screen group of small applications called desktop widgets that can be called up and dismissed in one keystroke (introduced in version 10.4). Exposé – A feature which includes three functions to help accessibility between windows and desktop. Its functions are to instantly display all open windows as thumbnails for easy navigation to different tasks, display all open windows as thumbnails from the current application, and hide all windows to access the desktop (introduced in version 10.3). Finder – A file browser allowing quick access to all areas of the computer (modified throughout subsequent releases). (The Finder found in Mac OS X Jaguar had been criticized by John Siracusa for violating the concept of spatial interface.) Quick Look allows dynamic previews of files (including videos and multi-page documents) without opening their parent applications (introduced in 10.5). Spotlight search technology allows rapid real-time searches of data files, mail messages, photos, and other information, based on item properties (meta data) and/or content (introduced in version 10.4). FileVault – Optional encryption of the user's files with Advanced Encryption Standard (AES) (128-bit keys introduced in version 10.3, 256-bit keys on version 10.5). Front Row – A media viewer interface accessed by the Apple Remote (introduced in 10.4). Global application services – spell checker, special characters palette, color picker, font chooser and dictionary. Integrated Sync Services – A system which allows applications to access a centralized extensible database for various elements of user data, including calendar and contact items. The operating system manages conflicting edits and data consistency (introduced in version 10.4). Spaces – Desktop organization tool which can create and manage multiple virtual desktops and display them in an Exposé-like interface (introduced in 10.5). Cover Flow – is a three-dimensional graphical user interface included with iTunes, the Finder, and other Apple Inc. products for visually skimming through files and digital media libraries via cover artwork (introduced in 10.5). Time Machine – Automatic backup technology that allows users to view and restore previous versions of files and application data (introduced in 10.5).

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