AMSTRAD cpc 6128 User Instruction page 461

Machine Code
The programming language that is directly understood by a microprocessor, since
all its commands are represented by patterns of binary digits.
Machine readable
A medium of data or any other information that can be immediately input to a
computer without additional work on keyboarding etc.
Man-machine interface
A point of interaction between the computer and the operator: keyboard, screen,
sound etc.
Matrix
The arrangement of the dots that form the character cell on the screen, or on the
print head of a 'dot matrix' printer. Also a term used in mathematics and
computer science to encompass arrays.
Memory
The computer's parking lot for information and data, neatly arranged in .logical
rows with each item individually accessible. Either known as RAM (random
access memory) where information can be both stored and retrieved, or ROM,
where the information may be read, but not re-written in another form. Discs and
tape are examples of 'bulk memory', although the term has evolved to mean the
memory that is directly addressed by the CPU.
Memory map
The layout of the memory, showing the various addresses, and the allocation of
the memory to specific functions, such as the screen, the disc operating system
etc.
Menu
A bill of fare of the different options that may be carried out by the program in
the computer, left to the user to select.
Microprocessor
An integrated circuit that sits at the heart of a microcomputer and executes the
instructions that are presented to it by the BASIC intepreter, in order to control
the various output devices and options.
Appendix 2 Page 18
Glossary