CIS 3281 SYSTEMS ANALYSIS AND DESIGN SPRING, 2004
Prof. D. G. Duncan
Jolt Electric, Inc. is an electrical utility company which uses a minicomputer for processing its accounting applications, including billing. Data stored on customers include name, address, telephone number, account number, meter readings for the past year, and consumption for the past year. Meter readings are input through the keyboard to update the customer master file. The billing program is executed to perform the actual update and store new data to the customer master file on disk. Outputs consist of 1) listing of amounts billed, 2) customer bills, 3) error report of customers not receiving bills, and 4) updated customer master file.
1) Using graphical software, such as Visio, or Drawing tools within Powerpoint, draw a dataflow diagram of the Jolt Electric billing system.
2) Using graphical software, such as Visio or Drawing Tools within Powerpoint, draw a systems flowchart of the Jolt Electric billing system.