Each button on a concept keyboard relates to a
particular item or function. Buttons can be labelled
with text or a picture. Fast food restaurants often
use concept keyboards because very little training is
needed to operate them and they're efficient - a
single button can order an entire meal
Trackball
Used as an alternative to a mouse. To operate
it the user rotates the ball which moves the
pointer on screen. They are particularly easy
to use for those with limited movement in
their hands
Joystick
Joysticks used to be popular with gamers but have slowly
been replaced by other types of game controller. In
construction, joysticks are used to control machinery such
as cranes.
Digital camera
A digital camera takes pictures and can usually
record video too. The pictures it takes and the
videos it records are stored in files.
Microphone
Microphones are used to
input sound. In computing
they can be used with
voice recognition software
and a word processing
application to enter text.
Webcams commonly have
microphones built-in too.
Scanner
A scanner can be
used to digitise
images. They're
similar to a
photocopier but they
make a digital copy
instead of a physical
copy.