Each 1 or 0 is called a bit. : Bit « Data Type « C Tutorial

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C Tutorial » Data Type » Bit   2. 23. 1. Each 1 or 0 is called a bit. Number 1 is 01 in binary. Number 2 is 10 in binary. Number 3 is 11 in binary. Number 4 is 100 in binary. For data type char, 8 bits are allocated (1 byte = 8 bits). Using 8 bits, you can normally represent decimal numbers from 0 to 255 (0000 0000 to 1111 1111) With signed data type, the leftmost bit is the sign of the number. If the sign bit is 0, the number is positive, If it is 1, the number is negative. The range of the number depends on the number of bytes allocated. The range of the number also depends whether the number is signed. 2. 23. Bit 2. 23. 1.  Each 1 or 0 is called a bit.

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