M - Definitions
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M
mainframe (big iron)
A mainframe (also known as 'big iron') is a high-performance computer used for large-scale computing purposes that require greater availability and security than a smaller-scale machine can offer... (Continued)
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mechanical refrigeration
Mechanical refrigeration, often referred to simply as refrigeration or air conditioning, is a process by which heat is removed from a location using a human-made heat exchange system.
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moves, adds and changes (MAC)
Moves, adds and changes (MAC) refers to a set of tasks that IT teams regularly perform to keep computing equipment up to date and aligned with user and business requirements.
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multicore processor
A multicore processor is an integrated circuit that has two or more processors attached for enhanced performance and reduced power consumption. These processors also enable more efficient simultaneous processing of multiple tasks, such as with parallel processing and multithreading.
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multiprocessing
Multiprocessing is the utilization of two or more central processing units (CPUs) in a single computer system.
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What is MVS (Multiple Virtual Storage)?
MVS (Multiple Virtual Storage) is an OS from IBM that continues to run on many of IBM's mainframe and large servers.