Tuesday, November 9, 2010

CS507 Assignment No. 2 solution-2

CS 507_Idea Solution:

Question 1:
Give at least 2 examples of each type of system. [5 marks]
1. Transaction processing systems
2. Office Automation Systems
3. Knowledge Work Systems
4. Decision Support Systems
5. Management information systems

Solution:
1. Transaction processing systems

Definition: A Transaction Processing System (TPS) is a type of information system that collects, stores, modifies and retrieves the data transactions of an enterprise.
Examples:
 Order entry systems
 Scanner-based point-of-sale registers
 Automatic teller machines
 Airline reservation applications

2. Office Automation Systems
Office Automation Systems Include formal and informal electronic systems primarily concerned with the communication of information to and from persons both inside and outside the firm. It supports data workers in an organization.

Examples:
 Word processing
 Desktop publishing
 Imaging & Web publishing
 Electronic calendars – manager's appt. calendars
 Email
 Audio & video conferencing – establishing communication between geographically dispersed persons.


3. Knowledge Work Systems
Knowledge work systems are there to help to deal with problems requiring technical expertise or knowledge. Software includes:
 CAD for designers
 Expert systems for specialist staff
 Word-processing for clerical staff
 Spreadsheets for accounts, and sales staff
 Database managements systems for keeping records
 Project management systems

4. Decision Support Systems
Decision-support systems are designed to allow analysts to extract information quickly and easily. The data being analyzed is often historical: daily, weekly, and yearly results.

Examples:
 Applications for analysis of sales revenue,
 Marketing information,
 Insurance claims
 Catalog sales

5. Management information systems
MIS is the term given to the discipline focused on the integration of computer systems with the aims and objectives on an organization.
'MIS' is a planned system of collecting, processing, storing and disseminating data in the form of information needed to carry out the functions of management.

Examples:
 Enterprise resource planning
 Decision Support Systems (DSS)
 Office Automation

Question 2:
How an Information system can help to meet call centre challenges? [5 marks


Solution:

 Simplify complex tasks (no experts, consultants needed)
 Make tasks quicker to perform (efficiency gain)
 Fewer errors so quality improves (effectiveness)
 Time needed to fix errors is reduced (efficiency).
 Output is better quality
 Improve communication and collaboration with email, chat etc
 Better decision making with management support tools
 Frees people from tedious jobs - do better things
 Allow the use of virtual team

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