OSI Reference Model

OSI Reference Model In the beginning when networks established,devices can communicate with devices of same manufacturer.OSI (open system interconnection) reference model was first introduced by ISO (international organization for standardization).Its main purpose is to facilitate communication between two systems of…
Fundamentals of Communication System

Fundamentals of Communication System Our Target Communication Channel or medium or media Frequency Wavelength Modulation Demodulation Baseband and Broadband Noise Attenuation Communication Communication is the process of exchanging information Electronic Communication A communication which take place in the form of…
Internet of Things

INTERNET OF THINGS It is a system to interconnect different devices,machines,animal and people.All things are able to communicate over internet.It will bring automation in everything.In simple words you can say it is “interconnection of things”. YOUTUBE What are Things??? Objects ,Machines, Appliances, Buildings, Vehicles, Animals, People,…
Virtual router in your Laptop (URDU)

Virtual Router is a free, open source software based router for PCs running Windows 8, Windows 7 or Windows Server 2008 R2.Using Virtual Router, users can wirelessly share any internet connection (Wifi, LAN, Cable Modem, Dial-up, Cellular, etc.) with any…
What is IP Address

IP Address  IP address is the logical address of a computer.A computer can not communicate over a network without IP address.IP address is uniquely defined for every computer.IP address concept is very important for you if you are planning to…