When

a user fills out circles with a pencil to answer for example, an exam, it will

be read by a _____ scanner.

A

___ code stores

information in both a vertical and horizontal direction.

____

technology makes it possible to “tap” a credit card to pay instead of swiping

it to read the magnetic stripe.

A

_____ keyboard has a design that reduces the chance of wrist and hand

injuries.

A wireless keyboard usually connects to

the computer via ____.

The

first mouse was made of _____.

Which

of these is not an input technology for physically challenged users?