大型商业企业资金雄厚，经销的商品品种多，供应商和客户较多，管理的数据量大。计算机网络结构方案（如图１所示）·每一经营部有一台ＰＯＳ，它可由独立的三类收款机承担或由若干台低档收款机与ＰＣ机联合构成，用于销售服务，收集销售数据，处理本部门的数据，也可以进... Large commercial enterprises are well-funded, with many varieties of goods distributed, more suppliers and customers and a large amount of data to be managed. Computer network structure program (shown in Figure 1) · Each business department has a POS, which can be borne by an independent three cash registers or by a number of low cash registers and PC form a joint organization for sales services, collecting Sales data, the data processing department, you can enter ...