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Performance Specifications. A description of how well an artifact performs. Prescriptive Performance Specifications. Range of acceptable performance Performance, not product or means of achieving that performance Stated in way that is independent of a particular solution
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Performance Specifications A description of how well an artifact performs
Prescriptive Performance Specifications • Range of acceptable performance • Performance, not product or means of achieving that performance • Stated in way that is independent of a particular solution • Quantify, if possible • range • maximum or minimum
Examples • Weight and length of ladder • Loudness of radio • Frequency response of audio • Power radio consumes • Sensitivity to rf signals • How far digital indicators can be read
Interface Performance Specifications • How well devices or systems must work together with other systems • Physical fit with each other • Electrical impedance matching • Under the hood of an automobile
Detailed Design Performance Specifications After the fact, how the device actually operates after it is created