Electronic devices help our daily life to run in a better way. When these devices malfunction it can be tested and replaced with its
electronic components available in the market. Usually these components are not available in a great extent where people have to wait for the delivery for long time. Now the situation has changed because of the modern development of technology. Nowadays you can find surplus electronic stores in every city. The manufacturers find it very difficult to manufacture new components which replace the components of the earlier products. But the new products are having great advantages like proper maintenance service and long life. The disadvantage is that they are more expensive than the older components and they get more failures during break in period.