____________________
Uses
a
system
of
buttons
or
keys
,
to
act
as
mechanical
levers
or
electronic
switches
that
send
all
information
to
the
computer
or
mobile
phone
.
____________________
They
are
transducers
that
receive
an
electrical
signal
originated
from
an
electronic
source
that
by
its
design
allows
speakers
to
be
placed
near
the
ears
to
generate
audible
sound
waves
.
____________________
It
is
the
main
output
device
,
which
shows
data
or
information
to
the
user
.
____________________
Is
a
peripheral
device
of
the
computer
that
allows
to
produce
a
permanent
range
of
texts
or
graphics
of
documents
stored
in
an
electronic
format
,
printing
them
on
physical
media
,
usually
on
paper
,
using
ink
cartridges
or
laser
technology
.
____________________
It
is
an
electroacoustic
transducer
used
for
sound
reproduction
.
One
or
more
speakers
can
form
a
baffle
.
____________________
Is
an
input
peripheral
that
consists
of
a
lever
that
rotates
on
a
base
and
informs
its
angle
or
direction
to
the
device
it
is
controlling
.
____________________
It
is
a
computer
device
that
can
be
moved
or
transported
with
relative
ease
.
____________________
Box
where
all
the
devices
that
make
up
the
central
unit
of
the
personal
computer
are
mounted
and
connected
.
