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"Electricity is an imaginary number which has magintude and direction."


Power Engineering   |   Telecommunication  |  Control system Engineering   |   Electronics  |   Fields and waves   |   Differential equation

Telecommunication comes from combination of "Tele" and "communicate" which means distant and "message" respectively. Telecommunication is a sub field of Electrical and Electronics engineering. The internal picture is quite lengthy to describe. But the important features are few and can be easily explained. Firstly communication can be both wireless and wired system. Both of the communication system can also be analog or digital. I hope that if you are reading this you already know what analog and digital system means. In short , analog system relies on quantities that vary continuously over a range. On the other hand digital system utilizes discrete quantities, which are by definition countable. All the modern systems are discrete system. They are more efficient and easier to manipulate. Analog machines are bigger in size whereas discrete system needs little space as it always deals with finite number of quantities. So it is no surprise that modern day telecommunication utilizes discrete system in them.

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