Electronics

This Electronics branch of scienec that deals with the emission of electrons from conductors and semiconductors.with the subseqyebt manipultion of these electrons adn with the construction of electronic devices.The firse=t electronic device was the thermoinic value or vaccume tube in inventons as radio,television,radar and the digital computer .Replacement of values with the comparatively tiny and reliable transistor in 1948 revolutionized electronic development .Modem electronic devices are based on minute integrated circuits (silicon chips),wafer-thin crystal slices holding tens of thousands of electronic components.