Information System

Information System:

       Definition:
An information system is a form of communication system in which data represent and are processed as a form of social memory, it can be a system which is considered as a semi formal language which support human decision making and action. So far we can say it is any combination of information technology and people's activities that support operations management and decision making. In a very broad sense, the term information system is frequently used to refer to the interaction between people, processes, data and technology.
      Where and who  use information system?
Information system is use in business. It served them to collect, process and store data. And the data is in the form of information needed to carry daily operation of business. It is used by people and everyone who works in a business company, from someone who pays bills or who makes employment decisions.
Information system can be divide into five sub-branch:

1. Transaction Processing System (TPS)
2. Decision Support System (DSS)
3. Expert Support System (ESS)
4. Management Information System (MIS)
5. Office Automation System (OAS) 

IT and ICT

Information Technology ( IT): 

    It is an application of computers and telecommunications equipment to store, retrieve, transit and manipulate data, often in the context of a business or other enterprise. The term is commonly used as a synonym for computers and computer networks, but it also encompasses other information distribution technologies such as television and telephone.

Information Technology architecture: It is a map or plan which is designed for the information asset in an organization.

Information technology Infrastructure: It include computer hardware, software also the personnel who works or uses IT or IS and the third facilities is the services provided for people or customer.  ,

Information Communication Technology (ICT):

    It is often use as an extended synonym for information technology (IT), But it is a more specific term that stresses the role of unified communication and the integration of telecommunication such as telephone lines and wireless signals computer as well as. And it enable user to access, store , transmit, and manipulate all kind of information. ICT is also used to refer to the convergence of audio-visual and telephone networks with computer networks through a single cabling or link system.

Apparently we use ICT in our daily life through science, healthcare, education, banking, business, government and so on. The introduction of some components for their uses in many sector has shown their importance by helping to improve or replace some old method or way of doing things for example in the domain of eduction, teaching with the white or black boards has been  replaced to the  Projector or Smart boards. Another things is, ICT is used in Banking system and it help people to control their account by using online or electronic fund transfer, exchange electronic data and so on.

   ICT use in our daily life