Electrical and Electronic Engineering is a field of engineering that generally comprises of a number of subfields including electrical power engineering, electromagnetism, electronics, digital computers, telecommunications, electrical machinery and drive systems, control systems, RF engineering, signal processing, instrumentation, and microelectronics. Electrical and Electronics Engineers work in a very wide range of industries and the skills required are likewise variable. They may become members of professional societies like Institute of Electrical and Electronics Engineering (IEEE), USA, Institute of Engineering & Technology (IET), UK, and Institution of Engineers, Bangladesh (IEB).