Flow Charts Flashcards
What is a flow chart?
Schematic representation of a system, or process, and indicates at which stage quality control should take place
What do rounded rectangles symbolise?
START and STOP
What do rectangles symbolise?
PROCESSES
What do diamonds symbolise?
DECISIONS
What do arrows symbolise?
FLOW OF CONTROL
What is an open-loop control system?
Has no feedback info on the quality of each stage of the process
Give an example of open-loop control system
Light switch; it is either on or off
What is a closed-loop system?
System that utilise feedback, which is used to make decisions about changes to the process
Give an example of a closed-loop control system
Light switch with a light-sensor to switch the light on and off at predetermined light levels