The microchip revolution had its beginnings with the inventions of integrated circuit (IC) and the microprocessor, both of which were developed to increase computer efficiency.
This in turn caused the much broader digital revolution, one of the most significant occurrences in the history of humankind.
Sony Corp/Philips Corp ; blending computer and laser technology,this replace vinyl records,audio/video tape ,etc.With a high capacity plastic disk with no surface noise or inherent wear degradation
References
Microchip revolution Wikipedia(Text) CC BY-SA