Dell PowerVault 770N (Deskside NAS Appliance) - Manual (Page 44)

On a system with local-bus expansion capability, certain peripheral devices (such as the video adapter circuitry) can be
designed to run much faster than they would with a traditional expansion bus. Some local-bus designs allow peripherals to
run at the same speed and with the same width data path as the system's microprocessor.
m
Abbreviation for meter(s).
mA
Abbreviation for milliampere(s).
MAC
Abbreviation for Media Access Control.
mAh
Abbreviation for milliampere-hour(s).
math coprocessor
See coprocessor.
Mb
Abbreviation for megabit.
MB
Abbreviation for megabyte(s). The term megabyte means 1,048,576 bytes; however, when referring to hard drive storage,
the term is often rounded to mean 1,000,000 bytes.
MB/sec
Abbreviation for megabytes per second.
Mbps
Abbreviation for megabits per second.
MBR
Abbreviation for master boot record.
memory
A system can contain several different forms of memory, such as RAM, ROM, and video memory. Frequently, the word
memory is used as a synonym for RAM; for example, an unqualified statement such as "a system with 16 MB of memory"
refers to a system with 16 MB of RAM.
memory address
A specific location, usually expressed as a hexadecimal number, in the system's RAM.