Page 125 - Computer - 5

FLOWCHART

A Flowchart is a pictorial or diagrammatic representation of
an algorithm. It uses geometric symbols to represent various

operations. Each symbol is used for a specific purpose in a

flowchart.

The table given below describes the symbols that are used for

drawing a flowchart.

Symbol Symbol Name Purpose

Start/Stop Box or Marks the beginning and end of a
Oval
Terminal Box flowchart.

Rectangle Process Box Represents a process or action.

Parallelogram Input/Output Box Obtains input and displays output.

Tests a condition and takes a decision
Diamond Decision Box based on its result.

Indicate the direction of operations in
Arrow Lines Flow Lines a flowchart.

Connects parts of a flowchart within a
Circle On-page connector page.

Connects parts of a flowchart on
Polygon Off-page connector
different pages.

Rules for Drawing a Flowchart

Some guidelines to draw a flowchart are:

1. A flowchart should be clear, neat, and easy to follow.

2. A flowchart is generally drawn from top to bottom. It may be drawn from left
to right if there is limited space.

3. A flowchart must have a Start box and a Stop box.

4. Only one flow line should come out of a process or input/output box.

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