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…
Wire and Wireless Communication

Communication Communication is transfer of information from one place to another place. Basic Blocks of Communication System Transmitter Receiver Media (Wireless and Wire) Wireless Communication When two systems are communicating without using any physical medium,It is called wireless communication. Mobile…
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,…
What is Optical Fiber

OPTICAL FIBER Optical  fiber is a type  of guided medium to transport information from one point to another point.Information travels in the form of light.Data capacity of fiber is very high due to light nature of the signal.In this video…
What is Bluetooth

Bluetooth is a wireless connectivity standard it connects devices together over a limited distance.Bluetooth establish an ad hoc network and connected devices work in master and slave fashion.Ad hoc network is also called PAN.In this video we will discuss following…
GPON Introduction

GPON Gigabit passive optical network is a running technology in Pakistan.Its implementation is in process and it will fulfill our high data rate requirement.In this video i am giving you a basic concept about GPON network.we will discuss the following…
Basic Networking Definitions

Basic Networking Definitions. Today we are going to discuss some very basic definitions used in networking field.If you are interested in networking,then it will be very helpful for you to prepare your mind for networking battle. Youtube Protocol. It is…