megabit
A unit of measure equal to a million bits.
megabyte
A unit of measure equal to 1,024 kilobytes or 1,048,576 bytes.
memory
The area of the system that electrically stores instructions and
data, often temporarily.
memory module
See single inline memory module (SIMM).
memory mother board (MMB)
A module that plugs into the system card and that can hold
SIMMs.
millions of instructions per second (MIPS)
A unit of measure for recording the execution rate of a computer,
for example 0.5 MIPS is equal to 500,000 instructions per
second.
miss
A signal sent from the cache control logic to the CPU to indicate
that a valid copy of a desired memory location is not currently in
the cache.
MMB
See memory mother board.
modem
A device that converts computer signals to audio tones that can
be sent over a telephone line.
module
An etched circuit board that contains electrical components and
electrically conductive pathways between components on which
logic devices (such as transistors, resistors, and memory chips)
are mounted.
Glossary–20
