Technology flowcharts

• Start cell is to start the program
• Stop cell is to stop the program
• Wait cell is to create a time delay in the programme
• Decision cell is to create options for an input component
• Output cell is to turn on an output component
• Compare cell is to compare a variable against a pre set value
• Expression is to set a variable to something (A=1)
• An increment is to add 1 to a value (A=A+1)
• A decrement is to subtract 1 from a value (A=A-1)
• do macro (call subroutine) is to call in a macro (subroutine) from the main flowchart
• macro (subroutine) is programmable jump to subroutine corresponding to do macro heading
• end (return) is to return the macro (subroutine) to the main flowchart