6
1.2 Expansion equipments
A variety
of
peripheral devices
is
available for expanding
the
MZ-80B personal
computer
system.
FIGURE 1.3 shows a typical expanded system configuration. With
the
floppy disk drive, numerous
data and program files can
be
stored and accessed
at
high speed. With
the
printer
, hard copies
of
list-
ings and printed graphic patterns can
be
obtained. This improved processing efficiency, resulting in
a wider range
of
applications.
The
MZ-80B dual floppy disk drive uses a double density mini-floppy diskette
(286K
bytes/disket-
te) with a diameter
of
5.25 inches,
both
sides
of
which are used
for
recording.
It
enables use
of
the
DISK BASIC inter-Pret(!r., which
is
suitable for practical business applications
of
the
double precision
DISK BASIC interpreter, which performs 16 digit BCD operations. Thus,
the
expanded system ex-
hibits an ability which
is
comparable
with
that
of
larger computers
with
the
aid
of
a variety
of
the
floppy disk operating system software.
The
compact MZ-80P5 line
printer
enables
not
only program listing,
but
also graphic
pattern
print-
ing in
the
image mode.
FIGURE
1.3 Typical expansion system
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