AMSTRAD CPC464 User Manual page 210

LSI
Large Scale Integration. The development of integrated circuits, packing more functions onto
ever smaller pieces of silicon.
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. Disks and tape are example of 'bulk memory', althouth the term has evolved to
mean the memory that is directly addressed by the CPU.
Memorymap
The layout of the memory, showing the various addresses, and the allocation of the memory to
specific function, such as the screen, the tape 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.