The
(7) on a computer controls what you do on the machine.
A (8)
usually
has two parts where you rest your fingers: the left side and the right
side. When you move your mouse over text, you will see a flat line on
the screen. That line looks like
the letter "I." That is your
(9) .
The
parts that support a desktop computer are connected to it by (10)
that "hook" them into the computer. There are different kinds of
(11) , but
they all have the same purpose - to help you, the user, complete
tasks. Cables connect to (12) or to slots at the back of the
computer box or tower. |