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If by material you mean chemical element, then silicon is the material. Its a group IV metal on the Periodic Table and is a semiconductor. It is also the second most abundant material on earth, with roughly 25 percent of the earths crust being some sort of silicon compound, (oxides and such)

Semiconductors' electrical resistance can be controlled by adding impurities from group III and group V elements from the periodic table. This allows precise control of electrical characteristics from which useful devices such as the Transistor (electrical switch) can be made from.

Switches can either be ON or OFF. This is represented in the computer world as 1 or 0. By combining these electrical switches useful information can be stored in terms of 1s and 0s. A 1 or 0 is called a Bit; a string of eight 1s or 0s is called a byte.

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13y ago

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