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The other essential part of the requirements for the Milly's bookstore is the networking and communications requirements. Telecommunications Based on Milly¡¯s problems, we think that she needs communication technology. It can make customers and herself convenient when they using or organising this books shop. A telecommunication is a system that transmits information, establishes an interface or path between senders and receivers, monitors and controls the messages, and controls the overall flow of information. Telecommunication systems can transmit text, graphic images, voice, or video information. After they set communication system, she and her staffs can solve problems requiring immediate like the order of some special books or the broken of security camera; they can online access to information like contact with supplier when they want to order new books and contact