Ubiquitous computing

Ubiquitous Computing. This concept is not new but now it is getting famous.It is taking us in the world of automation.Before getting its concept, you need to clear that What is a computer? Here we will discuss the basic definition of the computer.
T1 and E1 Lines

E1 and T1 Lines E1 and T1 standards are basically introduced for voice communication.both are using TDM for frame formation.In this video, we will discuss the digital transmission, its advantages, and disadvantages.Basic concept about Modulation, Multiplexing, and PCM is already discussed.
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…
Communication System Fundamentals

Communication System Fundamentals 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 takes place in the form of electronic…
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,…
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…