Types of Information Systems

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Presentation on theme: "Types of Information Systems"— Presentation transcript:

1 Types of Information Systems
Dr. D. Bilal IS 582 Spring 2006

2 Decision Support System: DSS
Provides interactive models to help managers make better decisions Often used by middle and upper managers

3 Executive Support System: ESS
Sophisticated version of a DSS Used to match top managerial needs

4 Expert System: ES Knowledge of experts is captured in a computer to solve problems Based on Artificial Intelligence to recognize, formulate, solve problems, and learn from experience

5 Transaction Processing Systems: TPS
Designed to handle a large volume of transactions: Billing, payroll, order tracking and processing, accounts payable and receivable, securities, trading and cash management, etc.

6 Operations Information Systems: OIS
Gathers comprehensive data, organizes it and summarizes it in a form valuable to managers. Provides sales, inventory, performance- oriented data, customer service and productivity information, etc.

7 Office Automation System: OAD
Performs a variety of activities based on its purpose: word processing, electronic booking, appointments, document imaging, etc.

8 Definitions Automation Library automation Automated System
Software Hardware Online catalog Opac

9 Types of automated systems
In terms of function: Stand-alone Characteristics Integrated

10 Types of automated systems
In terms of interface: Character-based (becoming obsolete) Windows-based Web-based

11 Types of automated systems
In terms of platforms PC Macintosh

12 Modules OPAC Circulation Cataloging Acquisitions Serials Other

13 Function of OPAC Information access to local collection
Information access to external collections Known as the online public access catalog It is part of the online catalog that users access to locate library materials

14 Function of circulation
Check-in Check-out Item hold Item reserve Item recall

15 Function of circulation
Fines Overdues Statistics about collection use In house Outside library Management

16 Function of cataloging
Input new items (original cataloging) Revise the cataloging of existing items File saved records Import/export of MARC records Search and retrieval

17 Function of acquisitions
Item ordering Item receipt Item claims Item cancellation Item verification Management

18 Function of serials Serials check-in Serials routing Serials claim
Serials cancellation Serials renewal Management

19 Benefits of Library Automation
Provides enhanced use of a collection Eliminates routine tasks Expedites and simplifies tasks Allows for resource sharing (ILL, Union catalogs) Allows for collection mapping

20 Benefits of Automation
Frees cataloging time Reduces amount of time spent on ordering and processing material Provides access to and inclusion of Web resources

21 Pitfalls of Automation
Time-consuming Costly New tasks (e.g., problem-shooting of software & hardware; training) Access to a collection can be denied when the system is down


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