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a) The characteristics a quality software product include:
? Reliability;
? Usability;
? Security;
? Portability; ? Shareability; and ? Interoperability.
b) Quality management, quality assurance and quality control
Quality management is concerned with controlling activities so as to ensure that products or services are fit for their purposes and meet specifications.
Quality assurance focuses on the way a system is produced. Procedures and standards for development are of key concern.
Quality control is concerned with checking and review work done.
Quality management involves:
? Planning. Standards and procedures formulated;
? Devising suitable instruments and techniques to monitor actual quality;
? Comparison of actual and planned quality;
? Control action for any variances; and
? Review of plans and standards for continuous improvement.
c) Costs and benefits of new systems Costs of a new system ? Equipment costs.
? Installation costs. Room set-up
? Development costs- Consultancy fee, changeover.
? Personnel costs. Training, recruitment, redundancy.
? Operating costs. Maintenance, accommodation, power, insurance etc
Benefits from the new system include:
? Savings from ceasing operations of the old system.
? Savings from using the new system.
? One-off revenue benefits.
? Intangible benefits like better customer satisfaction or improved staff morale.
Gregorymasila1 answered the question on March 28, 2018 at 12:40
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