MPP
Short for massively parallel processing, a type of computing that uses many separate CPUs running in parallel to execute a single program. MPP is similar to symmetric processing (SMP), with the main difference being that in SMP systems all the CPUs share the same memory, whereas in MPP systems, each CPU has its own memory. MPP systems are therefore more difficult to program because the application must be divided in such a way that all the executing segments can communicate with each other. On the other hand, MPP don’t suffer from the bottleneck problems inherent in SMP systems when all the CPUs attempt to access the same memory at once.
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- MPV
MPEG-1 Video file format. See Data Formats and Their File Extensions in the Quick Reference section of
- MPU
Short for micro processor unit. More commonly called the microprocessor.
- MRAM
Short for magnetoresistive RAM, or magnetic RAM, a non-volatile RAM memory technology that uses magnetic charges to store data instead of electric charges, such as those used in SRAM and DRAM technologies. Unlike a technology such as DRAM, which requires a constant flow of electricity to maintain the integrity of the data, MRAM will retain […]
- MSA/RSA
Short for metropolitan statistical area/rural service area, cellular service areas used by the FCC to license cellular telephone service. There are 306 MSAs and 428 RSAs. Every county in the United States is assigned to one of these markets. MSAs — originally used by the US government for grouping census data — include cities of […]
- MSCDEX
Short for Microsoft CD-ROM Extension, a driver that enables DOS and Windows 3.x systems to recognize and control CD-ROM players. The driver is located in a file called MSCDEX.EXE. Windows 95 replaces MSCDEX with a 32-bit, dynamically loadable driver called CDFS.