Zilog Z80380 User Manual
Page 104
Glossary
Glossary-2
UM004001-COR1103
Bit
A digit of a binary system. It has only two possible
values: 0 or 1.
BPS
Bits Per Second. Number of binary digits transmitted
every second during a data-transfer procedure.
Buffer
Storage Area in Memory.
Bug
A defect or unexpected characteristic or event.
Bus
In Electronics, a parallel interconnection of the internal
units of a system that enables data transfer and
control Information.
Byte
A collection of four sequential bits of memory. Two
sequential bytes (8 bits) comprise one word.
CALL
This command invokes a subroutine
Checksum
A field of one or more bytes appended to a block of
n
words which contains a truncated binary sum formed
from the contents of that block. The sum is used to
verify the integrity of data in a ROM or on a tape.
COM
Device name used to designate a communication
port.