CHAPTER
4
PERIPHERALS
-
EXPANDING
YOUR
SYSTEM
Your
TI-99/4A
computer
is
the
heart
of
your
computer
system,
but
you
still
need
some
pe
ripherals (accessories)
to
make
your
system com
plete. Peripherals areyour computer's
way
of
communicating
with
the
outside world. They
are
the
computer's
eyes, ears,
and
voice,
and
they
are
necessary
parts
of
any
home
computer
sys
tem. For example,
you
use
your
television
set
as
a peripheral to display
the
information from
your
computer.
Peripherals available for
your
TI-99/4A
range
from relatively inexpensive
cassette
recorders
and
joysticks for games to expansion systems
with
additional memory
and
multiple disk drives.
It's helpful
to
know
why
peripherals are
needed
and
what
they
can
do
for you.
"Which peripherals should I
buy?"
is a
question
many
new
computer
owners
ask. There is
no
standard
answer
to
this question,
just
as
there
is
no
standard
answer
to
the
question
"Which
car
should
I
buy?"
The
answer
depends
on
your
needs
for
your
computer
system. This
chapter
will explain
what
various
peripherals
do
and
how
much
they
cost. With this information,
you
will
be
better
equipped
to
decide
which
periph
erals
are
suited
to
your
needs.
157
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