FTTH Fiber to the Home
FTTx is a access network technology that uses optical fiber directly from the central point to the Home. FTTx offers triple play services voice, video and data.
Author: Salman Ahmed
How Electric Bulb work
Electric Bulb Convert electric energy into light energy. It is a transducer. When electricity passed through its filament, It starts to glow. Works on Law of conservation of energy. We will discuss two main components Working of Tungsten Filament. Why…
Transmission medium
Transmission Media It is a path through which information signal travels from source to destination. It is also known as Transmission Line or Transmission channel. It is further divided into two categories Guided Media. Unguided Media. Guided / Bounded /Wired…
Noise
Noise Noise or Electrical Noise is any unwanted electrical signal interferes or distorts the information signal. It affects the signal inside or outside the equipment and generates error. It affects both analog and digital signal and quality of information signal…
Modulation and Demodulation
Modulation and demodulation are fundamental processes in telecommunications that involve the encoding and decoding of information onto a carrier signal.
Need of Modulation
Need of modulation is essential in communication systems for several reasons: Long Distance Communication, Efficient Use of Frequency, Antenna Size and etc.
Subscriber Identity Module SIM
SMART card / SIM Card SMART Card It is an electronic circuit which is used to provide information about its holder. Subscriber Identity Module. In case of Mobile SIM card it enables a mobile device to communicate over telecom network.…
WiFi direct
WiFi Direct WiFi Direct™ enables devices to establish a direct WiFi connection over which they can send and receive files. WiFi Alliance developed the WiFi Direct standard. It is ad hoc networking and enable devices to connect to each other…
Bluetooth and Ad hoc Network
Ad hoc Network. Ad Hoc network is a decentralized wireless network used for communication for a limited time period. Piconet. A piconet is a Ad hoc using Bluetooth technology. One device act as a Master and others…
Introduction to Programming
Introduction to Programming Computer Program A program is a set of instructions following the rules of the chosen language. Without programs, computer is useless.It contains a list of instructions that tell the computer what to do and how to do.…