AMSTRAD cpc 6128 User Instruction page 466

Programming language
The medium through which the program is written, being comprised of rigid rules
on the use of words, numbers and the sequence in which they are implemented.
PROM
Programmable Read Only Memory. An integrated memory circuit that once
written with data, cannot be erased. (See also EPROM)
Prompt
A short message or character sequence reminding the user that some type of
input is expected. For example, the
CPIM
prompt is the> and the Dr.Logo prompt
is the? character.
PSU
Power Supply Unit. The means of converting the domestic mains electricity
supply into the necessary voltages to operate the computer (and peripheral
devices).
QWERTY keyboard
The colloquial term to describe a keyboard with the conventional UK or US
typewriter key layout.
RAM
Random Access Memory. Memory that may be both read from, and written to,
using the internal circuitry of the computer during the normal course of program
execution.
Random access
The ability to read and write information in memory or on a disc in any desired
order.
Random number
A number that is generated by the computer program that is neither repeatable,
nor predictable. The 6128 is capable of generating a pseudo random number
sequence.
Glossary Appendix 2 Page 23