ITM 305 Chapter Notes - Chapter 1: Transaction Processing, Business Process, Fax

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 305
• Professor: Franklyn Prescod

Document Summary

Information systems are systems that process data into information. They are also products that must satisfy their consumers and be developed by following a methodology that ensures the best quality and use of resources. Information system input, output, processing, storage, security, communication. Information automation a nonhuman device can apply information logic to data through a set of stored instructions or a program . Commoditization an increasing consequence, packaging information logic into software has allowed information systems and applications to become market products. They must satisfy certain requirements or take advantage of opportunities. They are human artifacts and must be built. Their development must follow a methodology that helps to lower cost, raise quality and make success more likely. An information system is not concerned with every kind of information, but only those that can be obtained by processing data through a system. It is not any system, but an open system that accepts input, produces output, and has understandable logic.