Sunday 7 April 2013

Week 4


In this week we learnt about the MS window. At first, I don't know even a sin gal word about it.But now after the end of this week I have something to share about the windows.Thing that I understand about windows is, windows is a piece of software on any computer is the operating system.The operating system gives the framework upon which all other services and applications run.
In this week , we learnt about the
  • History of windows OS
  • Microsoft windows
  • Anatomy of Windows 7
History of windows OS:
Microsoft released a number of windows operating system ranging from windows X,NT,server from 1985 till now.The latest is windows 7 released in 2009.Window 8 also has been released.
Microsoft Window:
A family of operating system for personal computers.Windows dominates the personal computer world,
by some estimates,on 90% of all personal computers.The remaining 10% are mostly Macintosh computers. Like the multitasking ,and support for many peripheral devices.

Anatomy of window 7:

  1. Aero view
  2. Taskbar
  3. Search
  4. Libraries
  5. Gadgets
Aero view:
Aero is hardware-based graphical user interface in window 7.It is intended to offer more advanced features than are available in the standard interface,including new transparencies and animations.
Taskbar:
The Taskbar is long horizontal bar at the bottom of your screen.Unlike the desktop,which can get obscured by the windows on the top of it, the Taskbar is visible almost all the time.


Search:
In windows 7 search is the quick way to search something.As soon as you start typing in the search bar in the start menu.Then you will find the list of the relevant topic.
Libraries:
An organizational features of the windows 7 file system that provides a top-level view into files and folders.Window 7 comes with 4 libraries such as Document,Music,Pictures and Videos

Gadgets:
Gadgets is a software widget or a small application,that is designed to sit on a user's desktop scree in much the same way that apps reside on smartphones and tablets.

Finally week 4 has been ended.In this week ,we learnt about the communications medium for networking and also learnt about the types of networking .
Networking communication medium:

  • Communication channel
  • Network media
  • Physical media
  • Physical medium
  • Digital communication
  • Wireless Networking
Now I am going to discuss about the types of networking.There are three main types of networking.
Types of networking :

LAN (Local area network)
WAN(Wide area network)
MAN(Metropolitan area network)
LAN(Local area network):
Local area network is the group of two or more computers, physically close together usually in the same building that are linked to gather to each other.LANs can contain devices other than computers, For example, Printers,Print servers,Storage devices,etc

WAN(Wide area network):
A network that spans a relatively large geographical area. Typically a WAN consist of two or more local area network.Computers connected to a wide area network are often connected through public networks, such as the telephone system.



MAN(Metropolitan area network):
A metropolitan area network is a computer network that usually spans a city or large campus.A MAN usually interconnected a number of local area networks (LAN) using a high-capacity backbone technology,such as fiber-optic links, and provides up link services to wide area network and the internet.




At first , I was so confused between three main types of Networking but now I have alot of knowledge and understanding about them.




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