Management information systemPresentation Transcript
Management Information System Rupali Dhir
Management Management is the art of getting things done through and with the people in formally organized groups . Managerial functions
Information Information is data that is processed and is presented in the form which assists decision makers. Rupali Dhir
SYSTEM A system is set of interrelated components or entities that interact to achieve particular function or goal. Each component of a system has its own goal. but these components work together to achieve the common goal Rupali Dhir
Components of a system
Characteristics of system
organization It is the arrangement of components, that helps to achieve objectives . Rupali Dhir
Interaction Interaction refers to the manner in which each component functions with other components of the system. Rupali Dhir
Interdependence means that Parts of the organization or computer system depend on one another.
They are coordinated and linked together according to plan.
One subsystem depends on the input of another subsystem for proper functioning, that is the output of one subsystem is the required input for another subsystem.
Integration is concerned with how a system is linked together.
It is more than sharing a physical part or location.
It means that part of the system work together within the system even though each part performs a unique function.
Central objective Every system must have central objective to achieve the goal . Rupali Dhir
Types of system
Physical and abstract systems
Deterministic and probabilistic systems
Open and close system
Social and machine system
Types of system cont’d
Natural and Manufactured systems
Subsystem and super system
Permanent and temporary system
Adaptive and non adaptive systems
Information system DATA Data are row facts or observations. INFORMATION Information is data which is in processed form. Rupali Dhir Input(data) Data process Informationas output
Difference Between Data and Information DATA
Data refers to details, facts about any event.
Data is generally disorganized and disintegrated in form
Data is in raw form.
Data cannot be understood or made use of by the user.
Data does not depend upon information.
Information refers to only those events which are concerned with entity.
Information is properly arranged, classified and organised.
Information is understood and used by the users.
Information is based upon and derived from data.
Information system Formal information system It is the system which is based on defined procedures and rules for providing information(computer based information system). Manual information system Uses paper and pencil technology to provide information(manual account keeping). information system can also be considered as a organizational and management solution based on information technology Rupali Dhir
Classification of information system
internal /external system Rupali Dhir
Characteristics of information
Timelines : timelines means that information must reach the respective receiver within the prescribe time frame.
Relevant : information said to relevant if it assures specifically for the recipient what,why,where,when. What is relevant for one receiver is not necessarily relevant for another
Completeness: the information which is provided must be complete and should meet all the needs.
Accuracy : information must be free form material errors. information must be accurate.
Summarization : information should be aggregated in accordance with the user needs.
Data base : if the data is stored efficiently and with common usage in mind, one master file can provide the data once, properly validate it and place it on central storage medium that can accessed by any system.
Level of Information System Operational level Knowledge level Management Strategic level Transaction processing system Office automation system Knowledge work system Management information system Decision support system Executive support system Rupali Dhir
Operational level These are the information system which are used for monitoring the basic activities and transactions of the organization such as bank transaction recording and automatic teller machines(ATM) Rupali Dhir
Knowledge level systems These information systems support data workers And knowledge workers . Data workers are the persons who are related with communication and processing of data. E.g. accountants and clerks. Knowledge workers are persons which deal with creation of data. E.g. Engineers, scientists and sales managers providing sales data etc. Rupali Dhir
Management informationsystem These information system are used for monitoring, controlling and decision making activities in an organization. Rupali Dhir
Strategic level systems These systems are used for helping top management executive by recording and analysing long term trends both in the firm and in the environment external to the firm. Rupali Dhir