Measures
Last updated
Last updated
Property | Measure |
---|---|
Speed
Processed transactions/second;
User/Event response time;
Screen refresh time.
Size
K Bytes;
The number of RAM chips.
Ease of use
Training time;
The number of help frames.
Reliability
Mean time to failure;
Probability of unavailability;
Rate of failure occurrence;
Availability.
Robustness
Time to restart after failure;
Percentage of events causing failure;
Probability of data corruption on failure.
Portability
Percentage of target-dependent statements;
Number of target systems.