Why abstraction electrical engineering?

Have you ever wondered what goes on inside a portable digital media players or a digital camera?  How do devices such as transistors, solar cells, and lasers work?  What technologies are involved in a computer disk drive or a fiber optic communication network?   Is it safe to use a cell phone if you have a cochlear implant?  How will complex computer and telecommunication systems of the future be made more reliable, more energy efficient, and more user-friendly?  Do you want to learn about environmental and biotechnology applications based on electrical engineering fundamentals? 

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