
Students' Guide to Business Computing
The bulk of the screen area is
protected,
that is, it cannot be written
on as it contains information required by the user. On entering the
customer's account number, the computer should respond with the
customer name and then display the required information. When
there is no further information to display, the user must be given the
opportunity to clear the screen and use it for some other purpose.
Hence the message at the bottom which prompts the user into
choosing the next action.
If you want to highlight information, the VDU screen can facilitate
this in one of several ways such as through the intensit ...