Analysis of an Information System

When PDQ decided to computerize its operations in the early 1980s (just after the brothers retired), the main emphasis was on eliminating the manual processes which the company estimated took too much time to be done effectively. As a result, the company wanted a system which would integrate inventory control, deliveries and invoicing with as little interaction as possible from the store personnel (since there is typically only one employee at a time in the stores). Today, there are four full-time personnel at corporate responsible for making sure that the information contained in the system is correct, and also responsible for maintaining hardware system integrity (although this last falls to the

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use the MS-DOS operating environment in the stores, but generally the application is running and the store personnel only see the operating system at the end and beginning of the day. At the corporate headquarters, the Windows operating environment is the preferred operating system, and the MIS manager is investigating using cc:Mail to provide e-mail to both the stores and the corporate staff. The minicomputer uses the UNIX operating system but interfaces with the DOS machines. In the accounting department, the administrators are familiar both with DOS (for managing store problems) and with Windows (to handle their own processing needs). In addition, these individuals are also well versed in the UNIX operating system because of their interaction with the minicomputer. Applications One of the biggest processing jobs is that of scheduling deliveries. Each transaction is assigned a morning or afternoon delivery preference, but the actual scheduling of deliveries does not occur until the day before the delivery. The delivery manager then sifts through a delivery report indicating which deliveries were promised for which time of day (there are four morning and four afternoon slots available each day). Using a pre-entered ZIP c
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Approximate Word count = 2048
Approximate Pages = 8 (250 words per page)

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