Output device 102 (i.e. CRT or LCD panel) is also coupled to the CPU 108 and provides a user interface, and manual input devices 113, 114 and 116 such as audio input microphone, key board and mouse and automated input device(s), such as a bar code reader 118 or magnetic stripe reader(s) 117, coupled to the CPU 108 provide means for a user of the client computer 100 to input commands, data, etc.