PLEASE ANSWER ALL 4 QUESTIONS. ALSO MALE SURE THERE IS NO PLAGARISM. THANK YOU.

Carefully read and then answer the following 4 questions with details as complete as possible. Refer to #1a for how to submit the answers. Business processes are the collection of coordinated activities required to produce a product or service. These activities are supported by flows of materials, information, and knowledge among the participants. They can become a of competitive strength or weakness against the firm's rivals. Information systems could be designed and employed to enhance the efficiency and effectiveness of business processes. Describe how different information systems could be used for different management groups: TPS, MIS, DSS, and Ess. In addition, which information system is the basic and foundation of others? 2. There are four major enterprise applications: enterprise systems (ERP), supply chain management systems (SCM), customer relationship management systems (CRM), and knowledge management systems (KMS). Select one specific enterprise application as an example and describe how the application system spans functional areas, focuses on executing business processes across the firm involving all levels of management. 3. Many firms today enhance collaboration by embracing social business - the use of social networking platforms, including Facebook, Twitter, Instant Messaging, videoconferencing, etc. - to engage their employees, customers, and suppliers. Describe the benefits of social business in terms of productivity, quality, innovation, customer service, and financial performance. 4. There are many different roles in an Information Department. Compare at least 5 of the roles played by application developer, web developer, system architect, system analyst, database administrator, network engineer, cyber security specialist, and data scientist. You may search the Web for their job descriptions