1. Structure of MIS Physical components
Information System processing functions
Decision support
Levels of management activities
Organizational functions

2. MIS Structure on Physical Components
Hardware
Software
Database
Procedures
Operating personnel
Inputs & Output

3. Information System processing functions
File
Transactions
Transactions
Documents
Process
(i) Process Transactions
Master File
Transactions
Data
Master File
Changes
Updation
Updated Master File
(ii) Maintain Master File
Report
File
Prepare Reports
(iii) Process Reports
Inquiry
Inquiry Response
Handle inquiry
(iv) Process Inquiry
Model
Inputs /
Output
Decision Maker
Decision Model Processing

4. Decision support
Structure of MIS can also be described on the basis of its support in decision-making in an organization. Decision vary with respect to the structure that can be provided for making them. A highly structured decision can be pre-planned.
A structured decision, because of its well-defined nature can be said to be programmable.

5. Levels of management activities
Strategic planning Level
Management Control Level
Operational Control Level

6. Organizational Functions
Production
Activities
Finance
Personnel
MIS, etc
Strategic
Planning
Management
Control
Operational
Control
Transaction
Processing

7. MIS CLASSIFICATION Transaction Processing System (TPS)
Management Information System (MIS)
Decision Support System (DSS)
Executive Support System (ESS)
Office Automation System (OAS)

8. Transaction Processing System (TPS)
Data
Processing
Data
Output
Input

9. Management Information System (MIS)
Input
Processing
Output
Data
A management information system uses TPS for its data inputs. The information generated by the information system may be used for controls of operations, strategic and long-range planning, short range planning, management control and other managerial problem solving.

10. Management Information System (MIS)
Customer Order
Sales Order Processing
Work order Maintenance
Sales Analysis
Inventory System
Material Resource Planning
Bill of materials
Production Planning
Production Scheduling
Raw Material Purchase
Account Payable
Suppliers
Financial Accounting
Shop Floor Control
Quality Control

11. Decision Support System (DSS)
Elements of DSS
Database
Model Base
User Interface
User
Decision Support System a1 a2
Information From MIS
Decision (most appropriate alternative a3 a4 a5

12. Executive Support System (ESS)
Executive Support System (ESS) is an extension of the managements information system which is special kind of DSS. An ESS is specially tailored for the use of chief executive of an organization to support his decision making. Thus, ESS is a comprehensive information system which includes various types of decision-support system, but it is more specific and person – oriented. An ESS is designed to cater to the information needed of a chief executive keeping in view not only his requirements but also taking into account his personally and style of functioning, etc.

13. Office Automation System (OAS)
Word Processing
Electronic filing
Electronic mail