Introduction

Windows ?      Windows in Computer ?       What does it mean ?       Why do we call them Windows ? 

None of the buildings in the picture above, from huts to skyscrapers, are WINDOW less. All of them have WINDOWS.

Windows are used for accessing  Light & Air 

In the same way, a window in a computer gives you access to operating applications or document sound, movie, etc. 

This is called a multitasking operating system

An operating system is a program  (Language translator) is used for Interaction between computer & operator.

What are the operating systems ?

 [DOS. Disk Operating System , windows 95, 98, 2000, NT, Millennium, etc.] 

Multitasking ?   Many jobs done at the same time  [Multiple tasks at a time.  Switching over between tasks ]

Example: Multi tasks our brain do:

1. Watching TV while having dinner
2. We do so many tasks while driving. Like driving, route map for destination, roads & signals, listening to music, watching people,  if we come across known people we store data like date time dress etc., and if we find a beauty are handsome we store their data, it means we can recognize them easily.   

The same way working with computer, using windows we can do multitasking like our brain:

1. Handle  multiple applications, by opening multiple documents in different windows

To perfect windows you will need to take about ten classes