Information system is a set of inrerrelated element or component that collect(input),manipulate(process),store,and disseminate(output)data and information and provide a reaction(feedback mechanism) to meet an objective. The feedback mechnanism is the component that helps organization to achieve their goals, such as increasing profits or improving costomer service.
Input is the activity of gathering and capturing raw data.
PROCESSING: is the converting or transforming data into useful outputs.
OUTPUTS: is the production of useful information usually in the form of ducument and reports.