Wednesday 29 May 2013

Flowcharts and Feedback Loops

Flow Charts show the processes of each stage during manufacturing a products  they are important for quality control. Yes goes underneath a question box and no to the right of it. A feed back loop is part of the question. If the answer is no the flowchart loops back round to a previous process. 


Flowchart start imageAll flowcharts begin with the start symbol. This shape is called a terminator.
Flowchart input imageInputs to the system are represented by a parallelogram box.
Flowchart process imageprocess box is used when there is an instruction that must be carried out. This may be an action or it may be a command to tell the micro controller to wait before continuing
flowchart decision imageA diamond box is used when a decision needs to be made. This might include comparing the input states or comparing a count to a set limit. The outcome of the decision must be either yes or no. These can be in combination used to act as logic gates.
Flowchart output imageOutputs to the system are represented by a parallelogram box.
Flowchart end imageAll flowcharts end with the end symbol. This shape is called a terminator.

2 comments:

  1. there is no mention of a feedback loop

    ReplyDelete
  2. good contribution of information on feedback loops

    ReplyDelete