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Bit - Definition

A Bit is the smallest unit of information handled by a computer. One Bit expresses a 0 or a 1 in a binary numeral, or a true or false logical condition. A group of 8 bits makes up a byte, which can represent many types of information, such as a letter of the alphabet, a decimal digit, or other character. For example, the number 10010111 is 8 bits long, or in most cases, one modern PC byte. Bit is also called a Binary Digit as Binary is a base-2 number system where values are expressed as combinations of 0's and 1's.


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