System Analysis
Kitchen Gadgets Kitchen Gadgets sells a line of high-quality kitchen utensils and gadgets. When customers place orders on the company's Web site or through electronic data interchange (EDI), the system checks to see if the items are in stock, issues a status message to the customer, and generates a shipping order to the warehouse, which fills the order. When the order is shipped, the customer is billed. The system also produces various reports. Tasks 1. List four elements used in DFDs, draw the symbols, and explain how they are used. 2. Draw a context diagram for the order system. 3. Draw a diagram 0 DFD for the order system. 4. Explain the importance of leveling and balancing. Fresh-Mart Grocery Fresh-Mart Grocery is a regional grocery chain that is developing an information system to monitor inventory levels, product sales, and haserchandise turnover. As products are sold in stores, they need to be replaced by shipments from the distribution centers. The IT manager wants you to document a process called BALANCE that determines whether extra product inventory is needed in a particular store. The BALANCE process is to be used in a just-in-time inventory system that automatically orders products and routes them to various stores for sale. A store manager can override the automatic BALANCE process if he or she so desires to get more product into a store. Tasks 1. Create a decision table that describes the movement of inventory. 2. Draw a decision tree that describes the merchandise inventory management process. 3. Name four attributes that you can use to define a data flow in the grocery inventory information system. 4. Name four attributes that you can use to define a data store in the grocery inventory information system. Kitchen Gadgets Kitchen Gadgets sells a line of high-quality kitchen utensils and gadgets. When customers place orders on the company's Web site or through electronic data interchange (EDI), the system checks to see if the items are in stock, issues a status message to the customer, and generates a shipping order to the warehouse, which fills the order. When the order is shipped, the customer is billed. The system also produces various reports. Tasks 1. List four elements used in DFDs, draw the symbols, and explain how they are used. 2. Draw a context diagram for the order system. 3. Draw a diagram 0 DFD for the order system. 4. Explain the importance of leveling and balancing. Fresh-Mart Grocery Fresh-Mart Grocery is a regional grocery chain that is developing an information system to monitor inventory levels, product sales, and haserchandise turnover. As products are sold in stores, they need to be replaced by shipments from the distribution centers. The IT manager wants you to document a process called BALANCE that determines whether extra product inventory is needed in a particular store. The BALANCE process is to be used in a just-in-time inventory system that automatically orders products and routes them to various stores for sale. A store manager can override the automatic BALANCE process if he or she so desires to get more product into a store. Tasks 1. Create a decision table that describes the movement of inventory. 2. Draw a decision tree that describes the merchandise inventory management process. 3. Name four attributes that you can use to define a data flow in the grocery inventory information system. 4. Name four attributes that you can use to define a data store in the grocery inventory information system
