AMSTRAD CPC464 User Manual page 209

Joystick
An input device that generally replaces the function of the cursor keys, and makes games playing
faster and easier.
K
A shortform of the metric measure prefix for 1000, 'kilo' - which in computing has come to be
widely used to refer to a 'kilobyte' - which is actually 1024 (decimal) in view of the binary
association of 2 raised to the power of 10. See Appendix II.
Keyboard
The matrix of alphanumeric key switches, arranged to provide the means of typing commands
and other information into the computer.
Keyword
A word whose use in the computer program or language is reserved for a specific function or
command..
Least significant bit
In a binary number, (see Appendix II), the Least Significant Bit (LSB) is the bit at the extreme
right hand end of the expression.
Light Pen
Another alternative input method, using a pen or'wand'.
Line number
BASIC and some other languages use programs that are arranged in line number order.
Lisp
The acronym formed from LISt Processor language. Another high level computer language.
Logic
The electronic components that carry out the elementary logical operations and functions, from
which every operation of a computer is ultimately built up.
Logo
A simple to learn graphics orientated high-level computer language frequently used in schools as
an aid to teaching computing.
Loop
A process in a program that is executed repeatedly by the computer until a certain condition is
satisfied.
Low-level language
Such as assembly language. A programming language in which each instruction corresponds to
the computer's machine code'instruction.