Prescription:SO100 Systems Overview

Aim of Module The student will gain an understanding of the purposes of information systems and the processes of systems analysis and design.

Credits 7

Suggested Time 70 student learning hours

Prescription Expiry Date Nov 2002

Note THIS IS A COMPULSORY CBC MODULE


Level and Assessment Schedule
TopicsHighest
Skill Level
Suggested
Assessment
Percentage
1 Systems Theory C 15
2 Systems Development Life Cycle C 60
3 IS Organisation C 10
4 Sample Information Systems C 15

100

LEARNING OUTCOMES

The Student Will
C1Describe the fundamentals of systems theory.
C2Describe the steps of the system development life cycle.
C3Describe typical IS organisation
C4Describe two Information Systems correctly from interpretation of provided system models (i.e. data flow diagrams and functional hierarchy charts).

CONTENT

1  Systems Theory
> Describe the fundamentals of systems theory as related to information systems.
1.1Define the term system.
1.2Describe the general characteristics of systems.
1.3Describe common types of systems (e.g. open, closed, closed loop, human, machine, human/machine).
1.4Describe common types of information systems (e.g. interactive, batch, real-time)
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2  Systems Development Life Cycle
> Describe the fundamentals of the systems development life cycle.
2.1Overview
> Describe the processes of systems development for the waterfall and prototype models.
> Identify the documentation produced at each phase of the life cycle
2.2Requirements Analysis
> Describe the problem definition process.
> Describe the purpose of requirements analysis.
> Describe the components of the feasibility report (project scope, general system objectives, technical, operational and economical feasibility, anticipated costs and benefits, project plan.
> Describe information gathering techniques (interview, questionnaire, observation, participation, record searching).
> Describe some modelling techniques (e.g. Data flow diagrams, Entity Relationship Diagrams, Data dictionaries, Function hierarchy chart).
> Describe the components of the requirements definition.
2.3Systems Analysis
> Describe the reasons for amendments to the logical model
> Describe alternative designs for the system (eg. computerised or, manual, centralised or distributed, file based or data based, input methods, package or specially designed system, hardware)
> Describe a design process. (eg. hardware specification, modular design, structure charts, cohesion, coupling, development of program specifications)
> Describe typical information processing steps (data entry, validation, sort, selection, update, and report)
> Describe factors involved in interface design
> Describe the importance of security of business systems (integrity, accessibility, confidentiality, information privacy, employee fraud, theft, physical threats, system controls)
> Describe the components of system specification (overview, objectives, models, input & output documents, program specifications and diagrams, data storage, procedure controls, hardware specifications, clerical procedures, implementation schedule, cost estimates.
2.4Systems Implementation
> Describe the various approaches to systems implementation.
> Describe the steps required to implement a system using one of these approaches
2.5Systems Review
> Describe the purpose of systems review
> Describe the steps required for systems review
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3  IS Organisation
3.1Depict diagrammatically the ways in which an information system department fits into the overall business organisation.
R3.2List typical jobs and the tasks required for each (e.g. IS Manager, analyst, programmer, operator, database administrator, network supervisor, user support staff).
R3.3Show diagrammatically at least two different ways in which information systems sections may be organised.
R3.4Outline the standard operating procedures for the systems and operations areas.
R3.5Explain the ways in which the systems and operations sections interact.
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4  Sample Information Systems
> Describe correctly two realistic sample information systems from interpretation of provided systems models (e.g. Data flow diagrams, entity relationship diagrams).
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