In business, information systems collect , process and supply information to a business organization. Information on the inside and outside environment of the business organization is received in this system. For example, buyers , suppliers , various financial transactions i.e. accounts , various subsidiary or subsidiary organizations , competitor information of different organizations ( Competitor), customs , culture , national and international issues ( National and International Concern) which are required for the organization. Etc. related issues are in this system. The inherent functions of the information system are input , processing and output. In this case, the various issues mentioned above. After processing the information system with the input, it gives the output. The specialized tools of the information system help the organization in this regard.