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Glossary - M |
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- Mechanical artwork
- The traditional standard for acceptable mechanical artwork that is 'camera-ready black and white' material.
- Metafile
- A collection of structures that store a picture in a device-independent format. Device independence is the one feature that sets metafiles apart from bitmaps. Unlike a bitmap, a metafile guarantees device independence. There is a drawback to metafiles, because they are generally drawn more slowly than bitmaps. Therefore, if an application requires fast drawing and device independence is not an issue, it should use bitmaps instead of metafiles.
- Metalized
- A vacuum metalized surface modified with an acrylic top coating, applied to paper or film (C1S, polyester, BOPP, etc).
- MCU
- See microcontroller
- Microprocessor card
- Typically a smart card or any pocket-sized card with an embedded integrated circuit or circuits containing memory and microprocessor components.
- Motherboard
- The principal or primary circuit board making up a complex electronic system, such as a computer, and contains the primary components in a computing system such as the CPU, BIOS, memory, mass storage interfaces, serial and parallel ports, expansion slots, and all the controllers required to control standard peripheral devices.
- MP3
- MPEG audio Layer 3: An extremely popular audio compression technology for compressing CD-quality sound by a factor of roughly 10, while retaining most of the original fidelity. MP3 also refers to files of music stored in the MP3 format on computers or handheld devices.
- MPEG
- Moving Picture Experts Group: Industry standard for compressing and decompressing digital audio video signals.
- MPEG-2
- Video coding has been developed for use with satellite TV applications, including the required decoders set-top boxes.
- MPEG-3
- Initially an MPEG standard designed for high-definition television (HDTV), but it was found that MPEG-2 could be used instead. Therefore, this standard no longer exists.
- MPEG-4
- AAC Main Profile: A successor to MP3 allowing transparent coding at data rates of 70% to 75% that of MP3.
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