AMSTRAD cpc 6128 User Instruction page 462

Modem
A MOdulator DEModulator that connects the computer's I/O to a telephone line or
other serial data transmission medium - including fibre optics. (See also Acoustic
coupler)
Monitor
The screen section of a computer terminal system, and also a term describing a
machine language program that provides access to the fundamental machine
operation of the computer.
Mouse
An upside-down 'tracker' or 'roller ball'. Pushed around a table top by hand, a
mouse is generally used to move a cursor around the screen. Originally designed
to overcome the fear of keyboards and make software appear more 'user friendly'.
MSB
The Most Significant Bit of a binary number, i.e. the bit at the left end of the
binary expression.
Network
When two or more computers are linked together to exchange data and
information - either by wiring, or via MODEMs.
Nibble
Half a byte: a four bit expression. Each of the hexadecimal digits in the
expression &F6 represents 'one nibble'.
Node
A unit of storage in the LOGO workspace. Typically one node consumes 4 bytes of
memory space.
Noise
The 6128 sound facilities include the ability to inject a variable amount of random
noise to create effects such as explosions.
Glossary
Appendix 2 Page 19