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Systems Theory And Management Information Systems Question Paper

Systems Theory And Management Information Systems 

Course:Information Sytems For Management

Institution: Strathmore University question papers

Exam Year:2006

Time Allowed: 3 Hours
Answer any FIVE questions. Marks allocated are shown at the end of the question.
To be carried out under examination conditions at home and is TO BE SENT to the Distance Learning Administrator for marking by Strathmore University.

(a) The objective of information security is that of protecting the interests of those relying on information, and the systems and communications that deliver the information, from harm resulting from failures.
Briefly describe four security goals of an information system. (8 Marks)

(b) Define the following terms:
(i) Biometrics (2 Marks)
(ii) Denial of service (DoS)attack (2 Marks)

(c) Briefly explain what is business process engineering (BPR) and clearly identify the stages involved in BPR. (8 Marks)
(Total: 20 marks)
(a) Briefly describe what is a WIMP user interface. (4 Marks)

(b) Systems analysts are key individuals in the system development process. They are therefore required to have certain types of skills. You are required to describe four types of skills that a system analyst is required to have in order to effectively carry out his/her tasks. (8 Marks)

(c) Differentiate between front-office information systems and back-office information systems. (4 Marks)
(d) Briefly describe the context of a data warehouse. (2 Marks)
(e) Define an expert system. (2 Marks)
(Total: 20 marks)
(a) List four measures of a system development project success (4 Marks)
(b) “Failure and limited successes far outnumber successful information systems. Some studies show that 60-75% of all information technology (IT) projects can be considered failures”. List six causes of IT projects failure. (6 Marks)
(c) (i) What is feasibility analysis. (2 Marks)
(ii) Identify four forms feasibility. (8 Marks)
(Total: 20 marks)
(a) Identify the three types of decisions supported by information systems. Give an example of a type of information system that supports each of the decisions. (6 Marks)

(b) List five advantages of using a database management system to manage data resources in an organization. (5 Marks)
(c) Briefly give the meaning of a communication protocol and list its various functions. (6 Marks)
(d) What is a value-added network (VAN)? (3 Marks)
(Total: 20 marks)
(a) (i) Organizations outsource information processing functions for various reasons. List four reasons why organizations engage in outsourcing. (4 Marks)
(ii) Identify the services that can be outsourced from a third party. (5 Marks)
(iii) What are the disadvantages associated with outsourcing? (5 Marks)

(b) Define the following terms:
(i) Facilities management (3 Marks)
(ii) Service Level Agreement (SLA) (3 Marks)
(Total: 20 marks)
(a) Briefly outline four types of computer fraud. (8 Marks)
(b) Crime committed through computer use is increasing in many organizations. List four ways of preventing and detecting computer crime. (4 Marks)
(c) Compare and contrast centralized and decentralized information systems. (6 Marks)
(d) What is a devolved information system? (2 Marks)
(Total: 20 marks)
(a) Briefly describe four types of systems maintenance. (8 Marks)
(b) List four system changeover strategies. (4 Marks)
(c) Prototyping is gaining popularity as an alternative software development strategy. Define what is meant by prototyping and discuss its various advantages and disadvantages. (8 Marks)
(Total: 20 marks)
(a) Interpret the following Internet address: (6 Marks)
(b) Define the following terms:
(i) Object Oriented Programming (3 Marks)
(ii) Cache Memory (3 Marks)
(iii) Application Service Provider (3 Marks)
(c) Placing multimedia in a perspective within the instructional process is an important role of the teacher and library professional. Name the various ways in which multimedia technology can be applied and enhance the instructional process in educational institutions. (5 Marks)
(Total: 20 marks)

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