Quality Assurance

590 Appendix V

• To nd failures that can cause the failure of all parts of a fault-

tolerant system

Flowchart

The owchart is used to show the sequential steps within a process.

When to use it

• When analyzing or dening a process, to detail the actions and deci-

sions within it

• When looking for potential problem points in a process

• When investigating the performance of a process, to help identify

where and how it is best measured

• As a communication or training aid, to explain or agree on the detail

of the process

Flow Process Chart

The ow process chart is used to record and illustrate the sequence of actions

within a process.

When to use it

• When observing a physical process, to record actions as they hap-

pen, and thus get an accurate d ...