Public Information Systems By Zubair Junjunia

2.  A public information system is a system used to display
up to date information that people need or are interest
in.
 Some examples are screens used in a railway station,
Teletext on the television or pages from a website.

3.  Public information systems work when they receive
information.
 Information is collected from a sensor.
 The public information system processes the data and
displays the information in a bar chart so it is easy to
read.

4.  Public information systems are required where there is
a lot of public.
 It is also required where the data is fluctuating a lot.
 Places like these are the stock markets.

5. Train Station
Public information system is
needed at the train station
because public need the
information of where train is
and when it will leave.

6. Airport
Public information system is
needed at the air port
because public need the
information of where the
plane is and when it will
leave.

7. Stock Market
Due to the fast fluctuation of
the stocks going high or low.
Public need to be informed
about this information so
public information systems
are used.