TOPIC 3 Information system

IS information system is the collection of technical and human resources that provide the storage computing, distribution and communication for the information required by all or some part of an enterprise, a special form of IS is a management information system MIS, which provides information for managing an enterprise.

INFORMATION TECHNOLOGY CONCEPT
a) Information technology architecture:

A map or plan of the information assets in an organisation.

Integrates entire organisation’s business needs for information, infrastructure and applications.

b)The physical facilities, IT components, IT services, and IT personnel that support an entire organization.

- IT components: computer hardware, software, and  communication technologies.

- IT services: Services provided for people/customer  e.g.Data  management, systems    development and  security management.

COMPONENTS OF IS: PEOPLE

IT Manager/IT Technician

System Developer/ Programmer

 User

 System Analyst and Design

 COMPONENTS OF IS: PROCEDURES

Strategies, policies, methods and rules for using computer information system including operation, security and maintenance of the computer.

 For Example: some procedures describe when each program should be run.