Tuesday, August 6, 2019

basic flowchart symbols and their definition


(13) basic flowchart symbols and definition


terminal :-

 this symbol indicate the start ( beginning) and end ( stop) in a programmer logic. It is first and last symbol in a flow chart.

 Input /output :- 

 This symbol is used to present the all input/output received a programming logic.

Process :- 

 A process symbol represent arithmetic and data movement. Hesse all arithmetic process of adding, multiplication, division etc. are indicate a processing symbol. The logical process of moving data from one location to another location of memory ( assignment statement ) are also indicated by this symbol. 

Decision 

It indicates a decision point that is a point at which a branches to one of two or more alternative point is possible during expression. The appropriate path is followed depending upon the decision. Example :- a=10 B =12
 

                                                           Flow line


 Flow line with arrow head indicate the flow of operation. i.e. the exact sequence in which the instruction are executed. The normal flow of a flow chart is from top to bottom and from left to right. 


                                                         Connectors 

 This symbol represented and entry from or an exit to another part of the flow chart. A connector symbol is a circle with a letter or digit placed with in it to indicate the link. 

                                                          Annotation


 It is a comment symbol. If we require to give a connect ( any message ) for the instruction then we use annotation symbol. It is very useful to understand the instruction use in flow chart. 

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