ITM 100 Lecture Notes - Novell

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ITM 100 Full Course Notes
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ITM 100 Full Course Notes
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A transistor is a very small device made out of semiconductor material that acts as a switch to control electronic signals. Microprocessor chips carry out many different processing operations within a computer, including handling input and output as well as the actual conversion of data into information. Over time, the number of transistors on a microprocessor chip has expanded, resulting in increasingly powerful computers. Memory chips also use transistors to store data within the computer. As with microprocessor chips, the amount of internal memory stored on chips has also risen dramatically as more transistors are built into the memory chips. You can represent the two states of a transistor using binary mathematics, which uses ones (on) and zeros (off), referred as a digital data. Binary codes represent letters and numbers through character encoding. Character encoding permits a specific combination of bits to represent each character. The oldest encoding system used on mainframe computers is the extended binary coded decimal.

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