Different symbols used in flow-charting with their name and function.
- Terminal symbol – oval
- It indicates the beginning and the end of a program. It generally contains words such as START, END
- Input/Output symbol – parallelogram
- It indicates an operation of reading information from the input devices and writing information to the output devices.
- Processing symbol – rectangle
- It indicates the arithmetic operations and variable assignment process and also indicates processing of data or a program in the memory.
- Decision symbol – rhombus
- i) It indicates decision being made.
- Flow lines symbol – arrow lines
- i) It is used to indicate direction of program and sequence of operation.
- Annotation symbol – a broken line and bracket
- i) It is used to indicate a comment or a remark about the program.
- Connector symbol – circle
- i) It indicates reference to another point in the flowchart where it continues.
- Pre-defined process - double-sided rectangle
- It represents a named process such as a module or function or subroutine.
