ITM 102 Lecture Notes - Lecture 3: Software-Defined Storage, Networking Hardware, Computer Hardware

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 102
• Professor: Bharat Shah

Document Summary

Information system can be defined technically as a set of interrelated components that collect (or retrieve), process, store, and distribute information to support decision making and control in an organization. Data are streams of raw facts. Info is data shaped into meaningful form. Input: converts raw data form organization or external environment: processing, arrange, classify, calculate: converts raw data into meaningful form, output: transfers processed info to people or activities that use it. Feedback from output is returned to appropriate members of organization to help evaluate or correct input stage. Computer/computer program vs. info system computers and software are technical foundation and tools of info system, similar to the materials and tools used to build a house. Hierarchy of authority, responsibility: senior management , middle management , operational management, knowledge workers, data workers, Separation of business functions: sales and marketing, human resources, finance and accounting, manufacturing and production. Unique business culture: expectations of employees.