Multiprocessing OS
Can simultaneously run multiple programs in the operating system (OS), or on a computer using multiple processors (CPU) for processing at the same time, also known as parallel processing (PARALLEL PROCESSING).

Multiscanning Monitor
Can automatically receive all the signals within a frequency display, also known as MULTISYNC.

Multithreading OS
Can run different programs within a program threads (THREAD) operating system. The program must be written for multi-threaded (MULTITHREAD) approach.

MUMPS Massachusetts General Hospital Utility Multiprogramming System
A recognition by ANSI in 1977, the programming language (PROGRAMMING LANGUAGE) specifications.

MVNO (Mobile Virtual Network Operators)
The current business model MVON there are two, one is leased to an existing industry equipment and bandwidth leasing company is responsible for brand marketing, billing, processing and customer service, etc.; compared with another model with a base other than the self-owned infrastructure, but model of this type are rare. Heng-fen said that according to Ovum's forecasts, the European MVNO revenues in 2003 will grow to six billion marks in 2006, 31 billion marks, compound annual growth rate of 73%.
British Virgin (Virgin) companies, for example, Virgin in November 1999 to OnetoOne lease network to provide mobile Internet services, integration of Virgin Group's broadcasting, airlines, trains, express delivery, hotel brands such as cause, as April 2001 only a total of British mobile phone users account for 2-2.5% market share, about 865,000 users, now has even more than 1 million users.
3G licenses gold standard is too high, coupled with such factors as market demand uncertainty, the current European operators to lease bandwidth for MVON pattern cut into the 3G market, more and more interested in the participation of the lease approach could substantially reduce costs, No license and capital for smaller businesses, is the best way to enter the market.

MVPN (Mobile VPN Virtual Private Network)
Use of appropriate coding, the company-owned employee personal cell phone without having to purchase any hardware and software architecture, you can effectively enhance the effectiveness of corporate communication, and can reduce enterprise communication costs, but the use of door number one telecom operators must belong to the same gate number.
At the same time can also be integrated switchboard telephone system, mobile phone and desk extension integrated into a number, so employees both within the company or companies, only carrying a mobile phone can be provided via call forwarding of the way, receive the message.
As telecommunications costs were net to fight each other, so carriers will usually give a large number of enterprise customers cheaper rates, thereby lowering the cost of internal communications. Current domestic launch services industry and the Pan Asia Long-distance is only two operators, but the use of the service workers to the door of Number either service providers, it must be used to replace the door numbers.