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Dr.Logo:
Digital Research's version of Logo, a programming language with a graphics turtle.
Edit:
To correct or make changes to data, a program or text.
Expression:
In Dr. Logo an expression consists of a procedure name followed by any necessary
inputs to the procedure.
File:
A collection of data, generally stored on cassette or disc.
Filename:
The name of a file. In Dr. Logo a file name can consist of up to 8 alphabetic or
numeric characters. In CP/M an additional three character file type, preceeded by a
dot . is allowed.
Hexfile:
An ASCII representation of a command or machine code file.
Integer:
A whole number with no decimal point.
Interface:
An object that allows two independent systems, such as a CPC464 and a disc drive,
to communicate with each other.
Logical device:
The representation of a device that may be different to its physical form. For
example the CP/M logical device LIST may be assigned to the Centronics port or
perhaps the VDU.
Logo:
The name of a programming language derived from the Greek word logos, which
means word. Logo is designed to teach the fundamentals of computer
programming.
Node:
A unit of storage in the Logo workspace. Typically one node consumes 4 bytes of
memory space.
Appendix 1. 3 AMSTRAD Disc Drive & Interface DDI-1 Manual