AMSTRAD cpc 6128 User Instruction page 449

Built-in commands
Commands that are part of an operating system. They are always quicker than
transient commands because they are not accessed from disc.
Bus
A group of connections either within the computer, or connecting it to the outside
world that carries information on the state of the CPU, the RAM and other hard-
ware features. The 6128 bus is presented on the circuit board connector marked
EXPANSION,
at the rear of the computer.
Byte
A group of eight bits, which forms the smallest portion of memory that an 8-bit
CPU can recall from, or store in memory.
CAD
Computer Aided Design. Usually an interaction of computing power and graphics
to provide an electronic drawing board, although any calculation performed on a
computer in pursuance of a 'design' comes under the heading of CAD .
CAE"
Computer Aided Education. Further nourishment for the buzzphrases of
computing. The use of the computer to help with education. CAI (Computer Aided
Instruction) and CAL (Computer Aided Learning) are two aspects ofCAE.
Cartridge
A specially packaged memory integrated circuit containing software which can be
plugged directly into a socket specifically provided for the purpose on the
computer. Cartridge software loads and runs quickly and easily, but costs
considerably more than software supplied on disc.
Cassette
Apart from the obvious recording tape variety, a generic term that encompasses a
variety of , packages' - including ROM software etc.
Appendix 2 Page 6
Glossary