Consider an information system designed for an online company which provides IT products and services

These include desktops, laptops, networking products, IT books, parts, and technical support etc. Purchases made through the online store can be collected from various outlets. Individual outlets are responsible for maintaining their respective stocks. The products and services are provided by contracted vendors. The information system can be viewed as a virtual shop which is capable to access all products and services in store across all outlets. Buyers are not aware of the existence of different outlets. In the virtual shop, a buyer can assemble a shopping cart and check out by paying in one transaction using Paypal. The buyer will designate a specific outlet for collection or request shipment.

     Briefly describe the system you use as the basis for your analysis.

Quantitative analysis

a. Make an estimation of the size of the product catalogue in your chosen product types. It should include both the number of records and the size of an individual record. State the basis of your estimate.

b. Make an estimation of the number of queries per day, and of the number of purchases. Estimate the size of two years of history of sales including both the number of records and the size of an individual record. State the basis for your estimates.

Posted Date: 3/9/2013 12:08:02 AM | Location : United States

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