
Computer Science
large number of users who might be entering data simultaneously. The entry
method will be to use an 'intelligent till' which transmits data to the
computer as well as printing a receipt, and everything that appears on the
receipt will also appear on the computer record. The till is really a terminal,
often described as being a point-of-sale (POS) terminal.
The use of the computer on-line means that items such as departmental
number need not be entered by the till-user, since each till can send its
identification to the computer automatically when the till is used. The till
user will enter the usual item code, and cash tendere ...