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Systems Design Techniques

  • Price £1,395.00
  • Duration 3 day(s)
All major credit cards accepted

Description

In order to deliver solutions that meet business users’ demands, it is essential that systems development professionals thoroughly specify all aspects of the system design. They also need to ensure that the optimum testing and implementation strategy is adopted.
This course focuses on those design and implementation issues. It is concerned with designing all aspects of the user interface (input forms, input screens, output screens, reports and documents) as well as the underlying principles of data and process design. It also addresses areas that must not be neglected before, during and after implementation.

At the end of the course delegates may sit an examination to attain the ISEB Certificate in Systems Design Techniques. (These delegates should also book on course code SDTEX). This course may be taken as part of the programme leading to the ISEB Diploma in Solutions Development.

This is an intensive four day course that places emphasis on the practical application of the techniques covered. Delegates participate in exercises, and case study tasks.

Those delegates taking the ISEB certificates will need to spend 60-90 minutes each evening on revision and example examination questions.

Prerequisites

•Those who need to produce effective business specifications, develop close working relationships with end users, design solutions that fulfil business requirements, and implement those solutions.
•Those wishing to attain the ISEB Certificate in Systems Design Techniques. (These delegates should also book on course code SDTEX-1). Candidates with special examination requirements should consult the ISEB web site (www.iseb.org.uk) for the ISEB Special Needs policy. Note that the ISEB must be advised at least four weeks in advance of any special requirements.
•Delegates should have attended the Systems Modelling Techniques course.

Skills

•Explain the role and objectives of systems design and implementation in the systems development life cycle
•Create effective input and output design
•Construct a usable user interface (HCI)
•Normalise a restricted set of inputs and outputs and produce a Third Normal Form data/class model
•Create detailed specifications for selected update and read-only processes
•Understand and apply the principles of security, confidentiality and privacy
•Explain and apply the principles of physical design
•Describe the role of testing in systems design
•Describe and evaluate different methods of implementation
•Analyse training needs and select an appropriate training method
•Describe a range of post-implementation issues

Course Content

Introduction

•Design and implementation in the lifecycle; Interpreting the models of analysis; Design approach; Design objectives and constraints; Design architecture
Input / Output Design

•Input and output design; Form and document design; Selection of appropriate input and data capture solutions; Output technologies; Selection of appropriate output technologies
Interface Design

•Design of input and output screens; Design of human/computer interaction; Usability and style guides; Modelling/prototyping the interface
Data Design (normalisation)

•Notation and conventions of relational data analysis; Progressive normalisation of selected inputs and outputs from un-normalised format to third normal form; Rationalising results; Third Normal Form data/class model
Process design and specification

•Detailed definition of write (read and update) processes; Detailed definition of read only processes
Controls and Security

•Physical security; Logical security (passwords, access control); Risk assessment; Backup and recovery procedures; Audit trails; Contingency planning; Legislative controls; Ethical issues
Physical design

•Physical data design; Design of codes and keys; Physical process design; Physical process design principles (e.g. cohesion and coupling); Design patterns; Interface and sub-system design; Principles of re-factoring; Round-trip engineering
Testing

•Test cases from design models; Design and code inspection; Unit testing; Integration testing; System testing; User acceptance testing; Requirements traceability
Methods of implementation

•Implementation planning and preparation; Changeover methods; Handover procedures
Training

•Analysing training needs; Methods of training delivery; Evaluating training
Post implementation

•Post implementation and post project reviews; Benefits realisation; Types of maintenance; Change control; Build and release strategy; Regression testing
Case Study

•Throughout the course, a case study is used to reinforce and practise the topics discussed

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