A Defect is an imperfection, deficiency, or failure in a work product that causes it to deviate from specified requirements or expectations. In software, a defect results in incorrect or unexpected behaviour. Key aspects include:
Definition:
- A deviation from expected results or requirements.
- Can occur in code, logic, or system design.
Types:
- Functional defects: Affect specific functionalities.
- Performance defects: Impact system speed or efficiency.
- Usability defects: Compromise user experience.
Examples:
- Crashes or system failures.
- Incorrect calculations or outputs.
- User interface issues.
Impact:
- This can lead to user dissatisfaction.
- May cause financial loss or damage to reputation.
- Requires timely resolution to maintain quality.
Importance:
- Identifying and addressing defects is crucial for software quality assurance.
- Helps ensure that products meet user expectations and requirements.
Defects must be tracked and resolved to maintain software reliability.