AMSTRAD cpc 6128 User Instruction page 465

Pixel
The smallest accessible area of the screen that can be controlled by the hardware.
Plotter
A specific type of printer that draws 'longhand' using pens rather than an impact
print head. Used for technical and graphical drawing output.
POKE
The statement in BASIC that is used to place a value in a specified memory
location.
Port
A specifically addressable point on the interface for input or output of data.
Portahility
Other than the literal use, means the ability for software to operate on different
makes of computer - usually as a result of a compatible operating system, such as
Digital Research's CP/M.
Primitives
Procedures, operations or commands that make up Dr. Logo; the built-in
procedures.
Printer
Any hardcopy method for printing out text.
Procedure
A series of expressions or program statements that dictate how to perform a
particular task.
Program
A combination of instructions that cause the computer to execute a task. It can be
anything from a simple machine code 'routine' to a complete applications
program, such as a wordprocessor.
Appendix 2 Page 22 Glossary