Part of the Peripherals glossary: An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame.The abacus itself doesn't calculate; it's simply a device for helping a human being to calculate by remembering what has been counted.art of the Peripherals glossary: An abacus is a manual aid to calculating that consists of beads or disks that can be moved up and down on a series of sticks or strings within a usually wooden frame.
What Is QuickTime? QuickTime is Appleâs multiplatform, multimedia technology for handling video, sound, animation, graphics, text, interactivity, and music. As a cross-platform technology, QuickTime can deliver content on Mac OS and Windows computers. Many applications, including Final Cut Pro, use the powerful architecture of QuickTime to view, create, import, and export media. QuickTime supports most major video, audio, and graphics file formats. It works with local disk-based media, media accessed over a network, and streams of real-time data. QuickTime supports a wide variety of video and audio codecs and can be extended with third-party codecs. QuickTime technology is composed of:
Part 1. iTunes Supported Video formats: MP4, MOV, M4V. According to Apple, iTunes supports any video format that works with QuickTime and files purchased or downloaded from iTunes store. That means if your video files have a .mov, .m4v, or .mp4 file extension, generally you can play them in iTunes. However, there are also limitations on video codecs, sample rate, etc. So if your .mov, .m4v or .mp4 files are rejected by iTunes, that may be because of a codec problem.