NJIT CIS 465 - Types of Information Systems (94 pages)

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Types of Information Systems



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Types of Information Systems

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Pages:
94
School:
New Jersey Institute of Technology
Course:
Cis 465 - Advanced Information Systems

Unformatted text preview:

Types of Information Systems CIS 465 Types of Information Systems 99F 1 Case Frito Lay Frito Lay Inc a snack food subsidiary of Pepsi Cola outfitted its 10 000 person direct store delivery sales force with handheld terminals used while calling on the 400 000 stores that sell its 100 products Salespeople use the terminals to enter replenishment orders and record the number of stales removed after their 35 day shelf life Based on this data a printer in the truck prints an invoice handed to the store manager as part of the day s deliveries Salespeople hook the terminals to telephone lines to transfer each day s data to the company s mainframe computers in Dallas The system saves salespeople four or five hours of paperwork per week CIS 465 Types of Information Systems 99F 2 The mainframes in Dallas consolidate the data each night as part of Frito Lay s internal replenishment system Requirements for that system changed drastically in the 1980s and Frito Lay s regional competitors became stronger Frito Lay had to be able to respond quickly to a variety of competitive challenges ranging from price changes to totally new products Coordination between manufacturing and sales had to be much tighter because the company needed to be able to run local promotions on Thursday for a product that would have to be available on Monday CIS 465 Types of Information Systems 99F 3 The system also used a data warehouse to provide comprehensive up to date data for studying sales by any combination of product store and time period In South Texas the data from this system showed an unexpected drop in sales of Tostitos tortilla chips Research into the cause of the drop indicated that a small competitor had launched a white corn tortilla chip Frito Lay developed a competitive white corn product within three months and regained market share CIS 465 Types of Information Systems 99F 4 Question What type s of information systems does the case illustrate Debate The ability of large firms to build



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