Objectives 4 Understand the concept of software quality 4 Explain the importance of quality and the consequences of poor quality 4 Understand software quality management

Definition of quality The total composite product and service characteristics of marketing, engineering, manufacture and maintenance through which the product and service in use will meet the expectation by the customer

Misconceptions about quality 4 Quality is difficult to define but easily recognizable 4 Quality is expensive and exclusive 4 Quality is a luxury and a craftsmanship

Definition of software Software is an intellectual creation comprising the programs, procedures, rules and any associated documentation pertaining to the operation of a data processing system.

Definition of software quality Conformance to explicitly stated functional and performance requirements explicitly documented development standards and implicit characteristics that are expected of all professionally developed software.

Software quality 4 Software requirements are the most important issue 4 Standards and criteria required to measure software quality 4 Implicit requirements also to be satisfied

Software Quality Management This is the management philosophy of actual techniques that the management can use to ensure customer satisfaction in a software product.

Quality policy Quality policy is the overall intention and direction of an organization with respect to quality as formally expressed by its top management.

Why is software quality important? 4 Legal liability 4 User may demand it to ensure conformance to requirements and standards 4 Developer may adopt it to reduce costs in the long run