| Dr.
Ray: |
"Ah! you
are right on time for class. Please take a seat, the lesson is starting."
|
|
Dr. John:
|
"Okay class, to make things more
interesting, we have made an interactive blackboard. Below, a cluster
is drawn on a blackboard and on this blackboard, you can see all
the parts that a computer should have or may have."
|
|
Dr. James:
|
"To discover what a part of the
computer looks like, please move your mouse over that part, a picture
will appear."
|
| Dr.
Ray: |
"To learn
how that part works, click on it. A short definition will appear."
|
|
Dr. John:
|
" To have a better understanding
of how a part of the computer works, click on the detail
button. When you are done, click on the done button."
|
Here are some things you should notice when
navagating the blackboard below:
 |
= external devices (devices that are
outside a computer). |
 |
= internal devices (devices that are
inside a computer). |
 |
= devices that can be both internal
and external |
  |
= indicates the direction in which data
and informations are traveled. |
| |
|
|
