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Systems Theory And Management Iformation Systems Question Paper

Systems Theory And Management Iformation Systems

Course:Systems Theory And Management Information Systems

Exam Year:2005

KENYA ACCOUNTANTS AND SECRETARIES NATIONAL EXAMINATIONS BOARD
SYSTEMS THEORY AND MANAGEMENT INFORMATION SYSTEMS
June 2005
QUESTION ONE
(a)In a systems development life cycle, the systems analyst is interested in finding out the organization’s objectives and exploring the nature and scope of the problems under study during the feasibility stage.
Required:
(i)Explain three objectives of a feasibility study.(6 marks)

(ii)Explain the methods used by the systems analyst in defining the objectives of an organization.(6 marks)

(b)The increased use of multimedia technology can be largely attributed to the easy-to-use presentation software together with the decreasing costs of the necessary hardware such as LCD projection panels and laptop computers.
Required:
(i)State four elements of multimedia technology.(4 marks)

(ii)Explain two major uses of multimedia technology.(4 marks)
(Total: 20 marks)

QUESTION TWO
(a)Explain the role of information communication technology in business process re-engineering.(6 marks)

(b)Dunga Beach Sacco Ltd., a farmers savings and credit co-operative society based in installed an enterprise resource planning (ERP) software two years ago. At the time of installation, the Sacco did not undertake the necessary business process changes, as a result of which most users still prefer to use the manual system. The Sacco is now planning to undertake the necessary changes.
Required:
State four obstacles that may have hampered the business process changes and suggest four possible strategies that may be used to overcome the obstacles. (8 marks)
A post installation review of the system revealed that the system was not realizing the anticipated benefits. List six other key areas that the review should have focused on other than the benefits.(6 marks)
(Total: 20 marks)

QUESTION THREE
(a)Auditing information systems by a company’s internal auditing staff or external auditors is aimed partly at evaluating whether proper and adequate security measures and management policies have been developed.
Required:
(i)Define the term ‘electronic audit trail’

(ii)Differentiate between auditing around the computer and auditing through the computer and explain the approach which uses electronic audit trial.State four skills required of information systems auditors.(4 marks)

(b)Explain the factors that have led to the decentralization of information systems functions.(8 marks)
(Total: 20 marks)

QUESTION FOUR
(a)Most computers in use today have open architecture which enables users to open them easily and install new devices. The need to buy new computers is reduced since the existing capability may be enhanced using expansion slots on the computer motherboard to plug in expansion cards.
Required:
Describe any three types of expansion cards.(6 marks)

(b)List four scanning devices and explain how a scanning device works. (8 marks)

(c)Digital video disk (DVD) is a relatively new type of data storage device that may be used for diverse data storage tasks.Describe three characteristics of a DVD.

QUESTION FIVE
(a)In a file set up or development process, the file’s structure is defined and its contents identified. The four characteristics considered in defining the structure and identifying the contents in a file set up or development process are; volatility, activity, size and growth.
Required:
(i)Using the example of a payroll file, explain the terms; volatility, activity, size and growth.(4 marks)

(ii)Explain how each of the characteristics in (i) above may influence decisions to do with a file structure design and in planning whether the mode of access should be sequential, indexed sequential or random.(8 marks)

(b)Organizations use different options of human computer interfaces such as GUI, command driven or special interfaces. Define GUI and state its advantages.(8 marks)

QUESTION SIX
(a)Explain three ways in which modern information communication technology (ICT) has affected the portability of information. (6 marks)

(b)Outline any two anomalies that are associated with redundant data.(2 marks)

(c)Explain the type of information that should be maintained for the post-implementation review of a system.(6 marks)
Explain the importance of artificial intelligence (AI) to a developing country. (6 marks)

QUESTION SEVEN
(a)A washing machine is designed to rinse and spin clothes for some pre-determined intervals regardless of whether the clothes are clean or not.
Required:
(i)Using the general systems theory, indicate whether this is an open loop or closed loop control system.(4 marks)

(ii)Explain the importance of open loop and closed loop control concepts in the context of a business system.(4 marks)

(b)Explain how the following systems development tools or techniques can assist a systems developer to reduce an application’s development period and costs.
(i)Fourth generation languages (4GLs).(3 marks)

(ii)Prototyping(3 marks)

(iii)Computer aided software engineering (CASE) tools.(3 marks)

(c)Explain three major benefits of mobile banking (M-banking).(3 marks)(Total: 20 marks)

QUESTION EIGHT
Witu Ltd., a motor vehicle spare parts dealer, has its head office in . The company has eight branches in , two in and one in . To enable the branches share data and other resources, the company has a large database that is replicated in the computers located in the branches. These computers are interconnected through data communication networks. The database is centrally administered from but the branches have flexibility and may customize the database to meet their needs.
Required:
(a)State the type of database used by Witu Ltd.(2 marks)

(b)Explain the business reasons that may have encouraged Witu Ltd. to use this database. (6 marks)

(c) State and explain advantages and disadvantages of the database used by Witu Ltd.(12 marks)
(Total: 20 marks)

Systems Theory And Management Iformation Systems Question Paper

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