Integrated circuits or Ics are small semiconductor silicon crystals popularly known as chips where a number of transisters, diodes and registers are integrated together. A chip is a single piece of silicon wafer having miniaturirized circuitry printed or implanted on it.
The first IC created by Jack Kiby included equivalent of 1 transister, 3 registers and 1 capacitor. Thereafter IC was developed to include 8 transistors. A current microchip contains 125 million transistors.
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