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

Because of the telecommunication system will be set in this shop, the networking system is necessary. There are a lot of types of network, local area network, wide area network and value added network. We chose local area network (LAN) here. LAN is a collection of computers that are linked to allow sharing of hardwares, softwares and data. Those computers are usually in close proximity, and each computer in a LAN is called a node. About network topology, there are three organisational layout of network--star topology, ring topology, and bus topology. I suggest choosing star topology in Milly¡¯s case. Star topology fit to one of LAN organisational models. That is the Client/Serve. A server is a computer often a high-capacity PC or workstation with a large hard disk. Here, server is a central computer dedicated to controlling access to resources in the LAN, so each node becomes a

Some topics in this essay:
Based Milly¡¯s, Milly¡¯s Star, LAN LAN, , star topology, communication system, local network, official file server, telecommunication system, official file, fax machine, server computer, staffs customers, system shop, file server,