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Microchips mainly consist of what?



  Microscopic view of an i7 Intel processor
Intel

Answer: Silicon

The case may be made of ceramic, the connectors may be made of gold or other metals, but the mass (and the heart) of modern microchips is the natural semiconductor silicon. This heart is a bundle of tiny transistors etched into silicon layers, from the smallest integrated chip to the largest and most powerful CPU. While the raw material inside microchips has remained largely unchanged over the last forty years, the technology behind chip building and transistor etching has radically evolved.

From the 1

970s to today, increasing miniaturization has led to ever more powerful processors. In 1971, Intel introduced the Intel 4004 processor, which contained just under 2,300 transistors. By comparison, Intel's six-core Core i7 Xeon processor, seen in a microscopic close-up above and released 40 years later in 2011, has an astounding 2,270,000,000 transistors – nearly one [1945901] million More times than the original processor.


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