AMSTRAD cpc 6128 User Instruction page 456

Gate
Logical gates permit the passage of data when certain conditions are fulfilled.
There are many different types of gate (OR, AND, XOR etc).
Graphics
The part of the screen display of the computer that is not related to the display of
'characters'. Graphics encompasses the drawing and plotting of lines, circles,
patterns, etc.
Graphics character
A shape or pattern specially designed to be useful in creating images.
Graphics cursor
Similar to the text cursor, but addressing the graphics screen. An invisible
concept on the 6128 - but nevertheless an indispensible facility for locating drawn
graphics. Not to be confused with graphics characters which are still part of the
'character set', and are printed at the text cursor.
Graphics mode
Early microcomputers required to be specifically set to either handle characters or
graphics. Modern personal computers are capable of mingling text and graphics
simultaneously.
Graphics tablet
A device that plots the co-ordinate points of a given picture or drawing for
manipulation within the computer. A form of
AID.
Handshaking
A sequence of electronic signals which initiates, checks and synchronises the
exchange of data between a computer and a peripheral, or between two
computers.
Hard Copy
Paper print-out of a program or other text - or of a graphics display. The
transitory screen equivalent is known as 'soft copy'.
Glossary
Appendix 2 Page 13