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Integer data types are typically represented using binary notation, where each integer is converted into a series of bits (0s and 1s). Common representations include signed integers, which can represent both positive and negative values using methods like two's complement, and unsigned integers, which represent only non-negative values. The size of the integer type, such as 8-bit, 16-bit, 32-bit, or 64-bit, determines the range of values that can be stored. In programming languages, these types are often defined using specific keywords, such as int, long, or short.

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