Introduction of Electronics and branches of electronics and devices

Electronics is the branch of physics and  technology which is relate with the design of circuits by using   microchips or  transistors  and with the behavior and movement of electrons in  different  materials such as, conductor, semiconductor, vacuum, or insulator.

Now everyone seen and know that Electronics is a growth of our industry”

Circuits or devices are made by using transistors, microchips, and other components.

Electronics has branches which are given below:

1. Digital Electronics
2. Optoelectronics
3. Semiconductor devices
4. Micro Electronics
5. Circuit Design
6. Analogue Electronics
7. Integrated circuits
8. Embedded system

There are many electronics devices which are used in our daily life that are:

Electronic devices include DVD players, laptops, desktop computers,  televisions , mobile phones, iPods,  cameras, fans, ovens, washing machines, game consoles, printers and radios.

Simply we can says that an electronics device is a device that accomplishes its purpose electronically.

One of the interesting thing about the electronics is the tiny fundamentals evolve over time. Today our systems are very fast and amazingly this speed is generated from very small processors which are the gifts of electronics. Day by day speed of our systems is increasing and many new gadgets and machines are introducing to world. Many devices which are in use now a days were discovered decades ago but now the speed of those devices is thousands of time faster. Many scientists like Jack St. Clair Kilby  (inventor of the integrated circuits and co-inventor of the electronic calculator) made valuable efforts in the field of electronics.  Today many of the devices of electronics are made up of semi-conductor material. Semi-conductor materials are those which have both the abilities of conductors and insulators. Silicon, Germanium and Gallium arsenide are the elements which have the properties of semi-conductors. They are denoted by Si, Ge, and GaAs. Silicon has 14 electrons in its shells, Germanium has 32 electrons, gallium has 31 electrons and Arsenic has 33 electrons in its orbiting shells. Silicon and germanium have 4 electrons in their valence shells. The outermost shells are called valence shells