Electronic devices and equipments are part of our daily life these days. The most commonly used equipment which is present is a computer which can be as small as handset or as large as the mainframe computers or servers. There are some instances where it is inserted on a part of a system which controls the function of the system and it is not recognizable. The common examples are modern vehicles, satellites, missiles, spacecraft etc. There are numerous applications of the computers widely ranging from health, scientific research, economics, mobile phones, defense amongst others. With the advent of technology, the sizes of gadgets are getting reduced day by day and at the same time the numbers of functions are arising exponentially. This can be observed in portable electronic devices such as laptop computers, cellular phones, digital cameras and many more such type of equipments surrounding us. These electronic devices are being shirked into smaller and smaller boxes with increased number of functions.